US Bridges

FM over Seely Creek

Fair

Guthrie County, Iowa · 079331408 · Structure no. 000000000168560

Built
1958
67 years old, rebuilt 1966
Condition
Fair
inspected November 2022
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
450
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Seely Creek is a concrete continuous culvert carrying FM over Seely Creek in Guthrie County, Iowa. It was built in 1958 and reconstructed in 1966, so it is 67 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 5 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 450 vehicles a day, roughly 30% of them trucks, projected to reach 450 by 2042. The structure is 23 ft (7 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesFM
CrossesSeely Creek
Location079331408
RouteCounty Highway 0
CountyGuthrie County
StateIowa
Coordinates41.6497, -94.65054
Functional classRural Major 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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2022
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating69.2 US tons
Inventory rating41.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length23 ft (7 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 traffic450 (2022)
Projected traffic450 by 2042
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
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 Seely Creek built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1966.

What condition is FM over Seely Creek 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 November 2022.

How much traffic does FM over Seely Creek carry?

About 450 vehicles per day (2022 count), of which roughly 30% are trucks.

How long is FM over Seely Creek?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m).

Who owns FM over Seely Creek?

It is owned by the County Highway Agency.