US Bridges

337 TH over Bowers Run

Fair

Greene County, Iowa · 082293603 · Structure no. 000000000161731

Built
1995
30 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
40
2022 count
Owner
County
County Highway Agency

About this bridge

337 TH over Bowers Run is a concrete culvert carrying 337 TH over Bowers Run in Greene County, Iowa. It was built in 1995, so it is 30 years old, younger 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 40 vehicles a day, projected to reach 40 by 2044. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries337 TH
CrossesBowers Run
Location082293603
RouteCounty Highway 0
CountyGreene County
StateIowa
Coordinates41.86691, -94.17314
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2022)
Projected traffic40 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 337 TH over Bowers Run built?

It was built in 1995, making it 30 years old in 2025.

What condition is 337 TH over Bowers Run 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 July 2024.

How much traffic does 337 TH over Bowers Run carry?

About 40 vehicles per day (2022 count).

How long is 337 TH over Bowers Run?

The structure is 26 ft (7.9 m) long with a longest span of 10 ft (3 m).

Who owns 337 TH over Bowers Run?

It is owned by the County Highway Agency.