US Bridges

FM over Stream

Fair

Buchanan County, Iowa · 090091003 · Structure no. 000000000361400

Built
1972
53 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
658
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Stream is a concrete culvert carrying FM over Stream in Buchanan County, Iowa. It was built in 1972, so it is 53 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 658 vehicles a day, projected to reach 658 by 2043. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFM
CrossesStream
Location090091003
RouteCounty Highway 0
StateIowa
Coordinates42.61761, -91.89868
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.3 US tons
Inventory rating22.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length26 ft (7.9 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic658 (2022)
Projected traffic658 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Stream built?

It was built in 1972, making it 53 years old in 2025.

What condition is FM over Stream in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2023.

How much traffic does FM over Stream carry?

About 658 vehicles per day (2022 count).

How long is FM over Stream?

The structure is 26 ft (7.9 m) long with a longest span of 11 ft (3.4 m).

Who owns FM over Stream?

It is owned by the County Highway Agency.