US Bridges

FM Prare Du Chn over Rapid Creek

Fair

Johnson County, Iowa · 080063504 · Structure no. 000000000204961

Built
1975
50 years old
Condition
Fair
inspected April 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
154 ft
3 main spans
Daily traffic
1,970
2022 count
Owner
County
County Highway Agency

About this bridge

FM Prare Du Chn over Rapid Creek is a prestressed concrete stringer/multi-beam or girder carrying FM Prare Du Chn over Rapid Creek in Johnson 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 1,970 vehicles a day, projected to reach 1,970 by 2043. The structure is 154 ft (46.9 m) long and 30 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesFM Prare Du Chn
CrossesRapid Creek
Location080063504
RouteCounty Highway 0
CountyJohnson County
StateIowa
Coordinates41.69822, -91.5209
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: 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 rating76.1 US tons
Inventory rating36.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length154 ft (46.9 m)
Longest span56 ft (17.1 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,970 (2022)
Projected traffic1,970 by 2043
Trucks0%
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 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 Prare Du Chn over Rapid Creek built?

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

What condition is FM Prare Du Chn over Rapid 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 April 2021.

How much traffic does FM Prare Du Chn over Rapid Creek carry?

About 1,970 vehicles per day (2022 count).

How long is FM Prare Du Chn over Rapid Creek?

The structure is 154 ft (46.9 m) long with a longest span of 56 ft (17.1 m) and a deck 30 ft wide.

Who owns FM Prare Du Chn over Rapid Creek?

It is owned by the County Highway Agency.