US Bridges

40th ST over Hunter Creek

Poor

Fayette County, Iowa · 091102401 · Structure no. 000000000149990

Built
1950
75 years old, rebuilt 1965
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
2 main spans
Daily traffic
471
2022 count
Owner
County
County Highway Agency

About this bridge

40th ST over Hunter Creek is a steel stringer/multi-beam or girder carrying 40th ST over Hunter Creek in Fayette County, Iowa. It was built in 1950 and reconstructed in 1965, so it is 75 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.

It carries about 471 vehicles a day, roughly 11% of them trucks, projected to reach 471 by 2044. The structure is 35 ft (10.7 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
Carries40th ST
CrossesHunter Creek
Location091102401
RouteCounty Highway 0
CountyFayette County
StateIowa
Coordinates42.68584, -91.96252
Functional classRural Major Collector

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating27.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span17 ft (5.2 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic471 (2022)
Projected traffic471 by 2044
Trucks11%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 40th ST over Hunter Creek built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1965.

What condition is 40th ST over Hunter 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 October 2024.

How much traffic does 40th ST over Hunter Creek carry?

About 471 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is 40th ST over Hunter Creek?

The structure is 35 ft (10.7 m) long with a longest span of 17 ft (5.2 m) and a deck 30 ft wide.

Who owns 40th ST over Hunter Creek?

It is owned by the County Highway Agency.