US Bridges

F 65 over S Fork Middle River

Fair

Guthrie County, Iowa · 078333603 · Structure no. 000000000025991

Built
1975
50 years old
Condition
Fair
inspected November 2022
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
767
2022 count
Owner
County
County Highway Agency

About this bridge

F 65 over S Fork Middle River is a concrete continuous culvert carrying F 65 over S Fork Middle River in Guthrie County, Iowa. It was built in 1975, so it is 50 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 767 vehicles a day, roughly 15% of them trucks, projected to reach 767 by 2042. The structure is 26 ft (7.9 m) long.

CarriesF 65
CrossesS Fork Middle River
Location078333603
RouteCounty Highway 0
StateIowa
Coordinates41.51827, -94.58751
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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic767 (2022)
Projected traffic767 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 F 65 over S Fork Middle River built?

It was built in 1975, making it 50 years old in 2025.

What condition is F 65 over S Fork Middle River 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 F 65 over S Fork Middle River carry?

About 767 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is F 65 over S Fork Middle River?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).

Who owns F 65 over S Fork Middle River?

It is owned by the County Highway Agency.