US Bridges

FM over Indian Creek

Fair

Plymouth County, Iowa · 093481202 · Structure no. 000000000277581

Built
1971
54 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
125 ft
3 main spans
Daily traffic
219
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 Plymouth County, Iowa. It was built in 1971, so it is 54 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 219 vehicles a day, roughly 16% of them trucks, projected to reach 219 by 2043. The structure is 125 ft (38.1 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFM
CrossesIndian Creek
Location093481202
RouteCounty Highway 0
StateIowa
Coordinates42.8873, -96.46974
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.4 US tons
Inventory rating33.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length125 ft (38.1 m)
Longest span49 ft (14.9 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic219 (2022)
Projected traffic219 by 2043
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$575,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Indian Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is FM over Indian 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 September 2023.

How much traffic does FM over Indian Creek carry?

About 219 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is FM over Indian Creek?

The structure is 125 ft (38.1 m) long with a longest span of 49 ft (14.9 m) and a deck 32 ft wide.

Who owns FM over Indian Creek?

It is owned by the County Highway Agency.