US Bridges

FM over Sugar Creek

Fair

Dallas County, Iowa · 078261607 · Structure no. 000000000131121

Built
1986
39 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete Continuous
Length
115 ft
3 main spans
Daily traffic
976
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Sugar Creek is a concrete continuous slab carrying FM over Sugar Creek in Dallas County, Iowa. It was built in 1986, so it is 39 years old, younger 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 976 vehicles a day, roughly 7% of them trucks, projected to reach 976 by 2043. The structure is 115 ft (35.1 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFM
CrossesSugar Creek
Location078261607
RouteCounty Highway 0
StateIowa
Coordinates41.55748, -93.84985
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 48 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 rating53.2 US tons
Inventory rating32 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length115 ft (35.1 m)
Longest span44 ft (13.4 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic976 (2022)
Projected traffic976 by 2043
Trucks7%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Sugar Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is FM over Sugar 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 2023.

How much traffic does FM over Sugar Creek carry?

About 976 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is FM over Sugar Creek?

The structure is 115 ft (35.1 m) long with a longest span of 44 ft (13.4 m) and a deck 33 ft wide.

Who owns FM over Sugar Creek?

It is owned by the County Highway Agency.