US Bridges

Local Road over West Fork Crooked Creek

PoorPosted for load

Washington County, Iowa · 076092801 · Structure no. 000000000337360

Built
1949
76 years old, rebuilt 2000
Condition
Poor
inspected February 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
47 ft
2 main spans
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

Local Road over West Fork Crooked Creek is a wood or timber stringer/multi-beam or girder carrying Local Road over West Fork Crooked Creek in Washington County, Iowa. It was built in 1949 and reconstructed in 2000, so it is 76 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 26 vehicles a day, projected to reach 26 by 2044. The structure is 47 ft (14.3 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLocal Road
CrossesWest Fork Crooked Creek
Location076092801
RouteCounty Highway 0
StateIowa
Coordinates41.36641, -91.90221
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating32 US tons
Inventory rating25.7 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length47 ft (14.3 m)
Longest span23 ft (7 m)
Deck width18 ft (5.4 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic26 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$792,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local Road over West Fork Crooked Creek built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 2000.

What condition is Local Road over West Fork Crooked Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does Local Road over West Fork Crooked Creek carry?

About 26 vehicles per day (2022 count).

How long is Local Road over West Fork Crooked Creek?

The structure is 47 ft (14.3 m) long with a longest span of 23 ft (7 m) and a deck 18 ft wide.

Who owns Local Road over West Fork Crooked Creek?

It is owned by the County Highway Agency.