US Bridges

FM over Barnes Creek

Good

Sioux County, Iowa · 094432402 · Structure no. 000000000308241

Built
1993
32 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete
Length
91 ft
3 main spans
Daily traffic
345
2021 count
Owner
County
County Highway Agency

About this bridge

FM over Barnes Creek is a concrete slab carrying FM over Barnes Creek in Sioux County, Iowa. It was built in 1993, so it is 32 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 345 vehicles a day, roughly 17% of them trucks, projected to reach 345 by 2043. The structure is 91 ft (27.6 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM
CrossesBarnes Creek
Location094432402
RouteCounty Highway 0
StateIowa
Coordinates42.94356, -95.87899
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 inspectionApril 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 alignment8: Equal to present desirable criteria
Operating rating83.7 US tons
Inventory rating50 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length91 ft (27.6 m)
Longest span34 ft (10.4 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic345 (2021)
Projected traffic345 by 2043
Trucks17%
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 over Barnes Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is FM over Barnes 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 April 2023.

How much traffic does FM over Barnes Creek carry?

About 345 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is FM over Barnes Creek?

The structure is 91 ft (27.6 m) long with a longest span of 34 ft (10.4 m) and a deck 32 ft wide.

Who owns FM over Barnes Creek?

It is owned by the County Highway Agency.