US Bridges

FM 240th Ave over Little Muddy Creek

Good

Clay County, Iowa · 097363208 · Structure no. 000000000117481

Built
1987
38 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
78 ft
3 main spans
Daily traffic
240
2022 count
Owner
County
County Highway Agency

About this bridge

FM 240th Ave over Little Muddy Creek is a concrete continuous slab carrying FM 240th Ave over Little Muddy Creek in Clay County, Iowa. It was built in 1987, so it is 38 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 240 vehicles a day, projected to reach 240 by 2043. The structure is 78 ft (23.8 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM 240th Ave
CrossesLittle Muddy Creek
Location097363208
RouteCounty Highway 0
StateIowa
Coordinates43.18295, -95.11141
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating58.5 US tons
Inventory rating34.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length78 ft (23.8 m)
Longest span29 ft (8.8 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic240 (2022)
Projected traffic240 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 240th Ave over Little Muddy Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is FM 240th Ave over Little Muddy 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 March 2023.

How much traffic does FM 240th Ave over Little Muddy Creek carry?

About 240 vehicles per day (2022 count).

How long is FM 240th Ave over Little Muddy Creek?

The structure is 78 ft (23.8 m) long with a longest span of 29 ft (8.8 m) and a deck 33 ft wide.

Who owns FM 240th Ave over Little Muddy Creek?

It is owned by the County Highway Agency.