US Bridges

E53 237th ST over Raccoon River

Fair

Greene County, Iowa · 083311109 · Structure no. 000000000162260

Built
1912
113 years old, rebuilt 2011
Condition
Fair
inspected August 2024
Type
Arch - Deck
Concrete
Length
458 ft
5 main spans
Daily traffic
916
2022 count
Owner
County
County Highway Agency

About this bridge

E53 237th ST over Raccoon River is a concrete arch - deck carrying E53 237th ST over Raccoon River in Greene County, Iowa. It was built in 1912 and reconstructed in 2011, so it is 113 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 916 vehicles a day, roughly 8% of them trucks, projected to reach 916 by 2044. The structure is 458 ft (139.6 m) long and 36 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesE53 237th ST
CrossesRaccoon River
Location083311109
RouteCounty Highway 0
StateIowa
Coordinates42.0122, -94.42992
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating71.7 US tons
Inventory rating43 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length458 ft (139.6 m)
Longest span77 ft (23.5 m)
Deck width36 ft (11.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic916 (2022)
Projected traffic916 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was E53 237th ST over Raccoon River built?

It was built in 1912, making it 113 years old in 2025. It was reconstructed in 2011.

What condition is E53 237th ST over Raccoon 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 August 2024.

How much traffic does E53 237th ST over Raccoon River carry?

About 916 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is E53 237th ST over Raccoon River?

The structure is 458 ft (139.6 m) long with a longest span of 77 ft (23.5 m) and a deck 36 ft wide.

Who owns E53 237th ST over Raccoon River?

It is owned by the County Highway Agency.