FM over Sugar Creek

Fair

Tama County, Iowa · 083160904 · Structure no. 000000000318351

Built: 1984; 41 years old
Condition: Fair; inspected September 2024
Type: Slab; Concrete Continuous
Length: 128 ft; 3 main spans
Daily traffic: 157; 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 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 fair condition with a lowest component rating of 5 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 157 vehicles a day, projected to reach 157 by 2044. The structure is 128 ft (39 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesFM

CrossesSugar Creek

Location083160904

RouteCounty Highway 0

CountyTama County

StateIowa

Coordinates42.01552, -92.72318

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.

Component	Rating	Meaning
Deck	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure	6 Satisfactory	Structural elements show some minor deterioration.
Channel and channel protection	7 Good	Some minor problems.

Last inspectionSeptember 2024

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is

Deck geometry6: Equal to present minimum criteria

Waterway adequacy7: Better than present minimum criteria

Approach roadway alignment6: Equal to present minimum criteria

Operating rating57.4 US tons

Inventory rating33.3 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadH 20

Structure length128 ft (39 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 traffic157 (2022)

Projected traffic157 by 2044

Trucks0%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed3.1 mi (5 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 Sugar Creek built?

It was built in 1984, making it 41 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 September 2024.

How much traffic does FM over Sugar Creek carry?

About 157 vehicles per day (2022 count).

How long is FM over Sugar Creek?

The structure is 128 ft (39 m) long with a longest span of 49 ft (14.9 m) and a deck 32 ft wide.

Who owns FM over Sugar Creek?

It is owned by the County Highway Agency.