US Bridges

FM over Elk Run Creek

FairPosted for load

Carroll County, Iowa · 085341001 · Structure no. 000000000096180

Built
1956
69 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
56 ft
1 main span
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Elk Run Creek is a steel stringer/multi-beam or girder carrying FM over Elk Run Creek in Carroll County, Iowa. It was built in 1956, so it is 69 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. Its operating status is: posted for other load-capacity restriction.

It carries about 100 vehicles a day, roughly 35% of them trucks, projected to reach 100 by 2043. The structure is 56 ft (17.1 m) long and 22 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFM
CrossesElk Run Creek
Location085341001
RouteCounty Highway 0
StateIowa
Coordinates42.19564, -94.79883
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating25.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length56 ft (17.1 m)
Longest span55 ft (16.8 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic100 by 2043
Trucks35%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Elk Run Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is FM over Elk Run 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 October 2023.

How much traffic does FM over Elk Run Creek carry?

About 100 vehicles per day (2022 count), of which roughly 35% are trucks.

How long is FM over Elk Run Creek?

The structure is 56 ft (17.1 m) long with a longest span of 55 ft (16.8 m) and a deck 22 ft wide.

Who owns FM over Elk Run Creek?

It is owned by the County Highway Agency.