US Bridges

So. Ransom ST over Drainage

Fair

Wapello County, Iowa · 072143600 · Structure no. 000000000503875

Built
1983
42 years old
Condition
Fair
inspected May 2022
Type
Culvert
Steel
Length
30 ft
2 main spans
Daily traffic
165
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

So. Ransom ST over Drainage is a steel culvert carrying So. Ransom ST over Drainage in Wapello County, Iowa. It was built in 1983, so it is 42 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 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 165 vehicles a day, projected to reach 165 by 2043. The structure is 30 ft (9.1 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSo. Ransom ST
CrossesDrainage
Location072143600
RouteCity Street 0
CountyWapello County
StateIowa
Coordinates40.99081, -92.42231
Functional classUrban 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2022
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 20
Structure length30 ft (9.1 m)
Longest span13 ft (4 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic165 (2022)
Projected traffic165 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was So. Ransom ST over Drainage built?

It was built in 1983, making it 42 years old in 2025.

What condition is So. Ransom ST over Drainage 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 May 2022.

How much traffic does So. Ransom ST over Drainage carry?

About 165 vehicles per day (2022 count).

How long is So. Ransom ST over Drainage?

The structure is 30 ft (9.1 m) long with a longest span of 13 ft (4 m) and a deck 27 ft wide.

Who owns So. Ransom ST over Drainage?

It is owned by the City or Municipal Highway Agency.