US Bridges

X 54 over Sugar Creek

Fair

Muscatine County, Iowa · At the Jct. of SR X54 · Structure no. 000000000037870

Built
1971
54 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
177 ft
4 main spans
Daily traffic
10
2022 count
Owner
State
State Highway Agency

About this bridge

X 54 over Sugar Creek is a concrete continuous slab carrying X 54 over Sugar Creek in Muscatine 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 10 vehicles a day, roughly 22% of them trucks, projected to reach 10 by 2042. The structure is 177 ft (54 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesX 54
CrossesSugar Creek
LocationAt the Jct. of SR X54
RouteCounty Highway 0
StateIowa
Coordinates41.56631, -91.08228
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.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67.6 US tons
Inventory rating40.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length177 ft (54 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 traffic10 (2022)
Projected traffic10 by 2042
Trucks22%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was X 54 over Sugar Creek built?

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

What condition is X 54 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 March 2023.

How much traffic does X 54 over Sugar Creek carry?

About 10 vehicles per day (2022 count), of which roughly 22% are trucks.

How long is X 54 over Sugar Creek?

The structure is 177 ft (54 m) long with a longest span of 49 ft (14.9 m) and a deck 32 ft wide.

Who owns X 54 over Sugar Creek?

It is owned by the State Highway Agency.