FM over Creek

Fair

Dallas County, Iowa · 080271103 · Structure no. 000000000131990

Built: 1969; 56 years old
Condition: Fair; inspected November 2022
Type: Slab; Concrete
Length: 32 ft; 1 main span
Daily traffic: 399; 2022 count
Owner: County; County Highway Agency

About this bridge

FM over Creek is a concrete slab carrying FM over Creek in Dallas County, Iowa. It was built in 1969, so it is 56 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 399 vehicles a day, projected to reach 399 by 2043. The structure is 32 ft (9.8 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesFM

CrossesCreek

Location080271103

RouteCounty Highway 0

CountyDallas County

StateIowa

Coordinates41.75377, -93.95336

Functional classRural Major Collector

Condition and inspection

Fair

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

Component	Rating	Meaning
Deck	6 Satisfactory	Structural elements show some minor deterioration.
Superstructure	6 Satisfactory	Structural elements show some minor deterioration.
Substructure	6 Satisfactory	Structural elements show some minor deterioration.
Channel and channel protection	7 Good	Some minor problems.

Last inspectionNovember 2022

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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is

Approach roadway alignment7: Better than present minimum criteria

Operating rating61 US tons

Inventory rating34 US tons

Structure

Structure typeSlab

MaterialConcrete

DeckConcrete, cast-in-place

Main spans1

Design loadH 20

Structure length32 ft (9.8 m)

Longest span30 ft (9.1 m)

Deck width30 ft (9.1 m)

Roadway width28 ft (8.5 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic399 (2022)

Projected traffic399 by 2043

Trucks0%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed3.7 mi (6 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—

NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is FM over 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 November 2022.

How much traffic does FM over Creek carry?

About 399 vehicles per day (2022 count).

How long is FM over Creek?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 30 ft wide.

Who owns FM over Creek?

It is owned by the County Highway Agency.