US Bridges

FM over Sweetland Creek

Fair

Muscatine County, Iowa · 077012203 · Structure no. 000000000257440

Built
1948
77 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
20 ft
1 main span
Daily traffic
380
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Sweetland Creek is a concrete continuous culvert carrying FM over Sweetland Creek in Muscatine County, Iowa. It was built in 1948, so it is 77 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 380 vehicles a day, roughly 12% of them trucks, projected to reach 380 by 2043. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 14.3 mi (23 km).

CarriesFM
CrossesSweetland Creek
Location077012203
RouteCounty Highway 0
StateIowa
Coordinates41.46396, -90.95062
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.9 US tons
Inventory rating29.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans1
Design loadH 15
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic380 (2022)
Projected traffic380 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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$30,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Sweetland Creek built?

It was built in 1948, making it 77 years old in 2025.

What condition is FM over Sweetland 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 2023.

How much traffic does FM over Sweetland Creek carry?

About 380 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is FM over Sweetland Creek?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m).

Who owns FM over Sweetland Creek?

It is owned by the County Highway Agency.