US Bridges

FM over Creek

Good

Marshall County, Iowa · 084180801 · Structure no. 000000000243371

Built
2004
21 years old
Condition
Good
inspected November 2022
Type
Slab
Concrete Continuous
Length
103 ft
3 main spans
Daily traffic
108
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Creek is a concrete continuous slab carrying FM over Creek in Marshall County, Iowa. It was built in 2004, so it is 21 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 108 vehicles a day, projected to reach 108 by 2042. The structure is 103 ft (31.4 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFM
CrossesCreek
Location084180801
RouteCounty Highway 0
StateIowa
Coordinates42.10681, -92.9797
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.2 US tons
Inventory rating52.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length103 ft (31.4 m)
Longest span39 ft (11.9 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic108 (2022)
Projected traffic108 by 2042
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is FM over Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2022.

How much traffic does FM over Creek carry?

About 108 vehicles per day (2022 count).

How long is FM over Creek?

The structure is 103 ft (31.4 m) long with a longest span of 39 ft (11.9 m) and a deck 27 ft wide.

Who owns FM over Creek?

It is owned by the County Highway Agency.