US Bridges

Local over Crooked Creek

PoorPosted for load

Henry County, Iowa · 073052602 · Structure no. 000000000181340

Built
1956
69 years old
Condition
Poor
inspected February 2023
Type
Other
Prestressed Concrete
Length
92 ft
3 main spans
Daily traffic
35
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Crooked Creek is a prestressed concrete other carrying Local over Crooked Creek in Henry County, Iowa. It was built in 1956, so it is 69 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 35 vehicles a day, projected to reach 35 by 2043. The structure is 92 ft (28 m) long and 23 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesLocal
CrossesCrooked Creek
Location073052602
RouteCounty Highway 0
CountyHenry County
StateIowa
Coordinates41.10126, -91.40892
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating24.1 US tons
Inventory rating14.8 US tons

Structure

Structure typeOther
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length92 ft (28 m)
Longest span31 ft (9.4 m)
Deck width23 ft (7 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2022)
Projected traffic35 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Crooked Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is Local over 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 2023.

How much traffic does Local over Crooked Creek carry?

About 35 vehicles per day (2022 count).

How long is Local over Crooked Creek?

The structure is 92 ft (28 m) long with a longest span of 31 ft (9.4 m) and a deck 23 ft wide.

Who owns Local over Crooked Creek?

It is owned by the County Highway Agency.