US Bridges

FM River Rd. over Perry Creek

Fair

Cherokee County, Iowa · 091402908 · Structure no. 000000000108211

Built
1973
52 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
90 ft
3 main spans
Daily traffic
748
2022 count
Owner
County
County Highway Agency

About this bridge

FM River Rd. over Perry Creek is a concrete continuous slab carrying FM River Rd. over Perry Creek in Cherokee County, Iowa. It was built in 1973, so it is 52 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 748 vehicles a day, roughly 7% of them trucks, projected to reach 748 by 2043. The structure is 90 ft (27.4 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFM River Rd.
CrossesPerry Creek
Location091402908
RouteCounty Highway 0
CountyCherokee County
StateIowa
Coordinates42.66741, -95.59048
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.5 US tons
Inventory rating33.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length90 ft (27.4 m)
Longest span35 ft (10.7 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic748 (2022)
Projected traffic748 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 River Rd. over Perry Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is FM River Rd. over Perry 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 August 2023.

How much traffic does FM River Rd. over Perry Creek carry?

About 748 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is FM River Rd. over Perry Creek?

The structure is 90 ft (27.4 m) long with a longest span of 35 ft (10.7 m) and a deck 36 ft wide.

Who owns FM River Rd. over Perry Creek?

It is owned by the County Highway Agency.