US Bridges

Local over Big Whiskey Creek

PoorPosted for load

Woodbury County, Iowa · 088460701 · Structure no. 000000000353950

Built
1953
72 years old, rebuilt 1981
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
82 ft
1 main span
Daily traffic
30
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Big Whiskey Creek is a steel stringer/multi-beam or girder carrying Local over Big Whiskey Creek in Woodbury County, Iowa. It was built in 1953 and reconstructed in 1981, so it is 72 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 3 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 30 vehicles a day, roughly 7% of them trucks, projected to reach 30 by 2044. The structure is 82 ft (25 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLocal
CrossesBig Whiskey Creek
Location088460701
RouteCounty Highway 0
StateIowa
Coordinates42.46037, -96.24885
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating5.6 US tons
Inventory rating0 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadUnknown
Structure length82 ft (25 m)
Longest span34 ft (10.4 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2022)
Projected traffic30 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$871,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Big Whiskey Creek built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1981.

What condition is Local over Big Whiskey 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 July 2024.

How much traffic does Local over Big Whiskey Creek carry?

About 30 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Local over Big Whiskey Creek?

The structure is 82 ft (25 m) long with a longest span of 34 ft (10.4 m) and a deck 20 ft wide.

Who owns Local over Big Whiskey Creek?

It is owned by the County Highway Agency.