US Bridges

FM 140th ST over Hunter Creek

Fair

Buchanan County, Iowa · 090092901 · Structure no. 000000000084020

Built
1968
57 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete Continuous
Length
78 ft
3 main spans
Daily traffic
108
2022 count
Owner
County
County Highway Agency

About this bridge

FM 140th ST over Hunter Creek is a concrete continuous slab carrying FM 140th ST over Hunter Creek in Buchanan County, Iowa. It was built in 1968, so it is 57 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 108 vehicles a day, projected to reach 108 by 2043. The structure is 78 ft (23.8 m) long and 30 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesFM 140th ST
CrossesHunter Creek
Location090092901
RouteCounty Highway 0
StateIowa
Coordinates42.58449, -91.94304
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.9 US tons
Inventory rating29.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length78 ft (23.8 m)
Longest span29 ft (8.8 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic108 (2022)
Projected traffic108 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 FM 140th ST over Hunter Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is FM 140th ST over Hunter Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2023.

How much traffic does FM 140th ST over Hunter Creek carry?

About 108 vehicles per day (2022 count).

How long is FM 140th ST over Hunter Creek?

The structure is 78 ft (23.8 m) long with a longest span of 29 ft (8.8 m) and a deck 30 ft wide.

Who owns FM 140th ST over Hunter Creek?

It is owned by the County Highway Agency.