US Bridges

FM over Indian Creek

Good

Tama County, Iowa · 083162901 · Structure no. 000000000318431

Built
1984
41 years old
Condition
Good
inspected September 2022
Type
Slab
Concrete Continuous
Length
75 ft
3 main spans
Daily traffic
334
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Indian Creek is a concrete continuous slab carrying FM over Indian Creek in Tama County, Iowa. It was built in 1984, so it is 41 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 334 vehicles a day, roughly 10% of them trucks, projected to reach 334 by 2043. The structure is 75 ft (22.9 m) long and 32 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesFM
CrossesIndian Creek
Location083162901
RouteCounty Highway 0
StateIowa
Coordinates41.97867, -92.73073
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span29 ft (8.8 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic334 (2022)
Projected traffic334 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Indian Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is FM over Indian Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2022.

How much traffic does FM over Indian Creek carry?

About 334 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is FM over Indian Creek?

The structure is 75 ft (22.9 m) long with a longest span of 29 ft (8.8 m) and a deck 32 ft wide.

Who owns FM over Indian Creek?

It is owned by the County Highway Agency.