US Bridges

FM over Br Buffalo Creek

Poor

Buchanan County, Iowa · 088070103 · Structure no. 000000000015890

Built
1962
63 years old
Condition
Poor
inspected January 2025
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
776
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Br Buffalo Creek is a concrete continuous culvert carrying FM over Br Buffalo Creek in Buchanan County, Iowa. It was built in 1962, so it is 63 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 776 vehicles a day, roughly 15% of them trucks, projected to reach 776 by 2043. The structure is 25 ft (7.6 m) long and 46 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesFM
CrossesBr Buffalo Creek
Location088070103
RouteCounty Highway 0
StateIowa
Coordinates42.46925, -91.5986
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic776 (2022)
Projected traffic776 by 2043
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 Br Buffalo Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is FM over Br Buffalo Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does FM over Br Buffalo Creek carry?

About 776 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is FM over Br Buffalo Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 46 ft wide.

Who owns FM over Br Buffalo Creek?

It is owned by the County Highway Agency.