US Bridges

FM over Buffalo Creek

Good

Winnebago County, Iowa · 098263601 · Structure no. 000000000344791

Built
2010
15 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
32 ft
2 main spans
Daily traffic
439
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Buffalo Creek is a concrete culvert carrying FM over Buffalo Creek in Winnebago County, Iowa. It was built in 2010, so it is 15 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 439 vehicles a day, roughly 26% of them trucks, projected to reach 439 by 2043. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesFM
CrossesBuffalo Creek
Location098263601
RouteCounty Highway 0
StateIowa
Coordinates43.26499, -93.91161
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic439 (2022)
Projected traffic439 by 2043
Trucks26%
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

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 Buffalo Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is FM over Buffalo 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 over Buffalo Creek carry?

About 439 vehicles per day (2022 count), of which roughly 26% are trucks.

How long is FM over Buffalo Creek?

The structure is 32 ft (9.8 m) long with a longest span of 15 ft (4.6 m).

Who owns FM over Buffalo Creek?

It is owned by the County Highway Agency.