US Bridges

State ST over Imrl RR

Good

Wapello County, Iowa · 000000000 · Structure no. 000000000000731

Built
2000
25 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
150 ft
3 main spans
Daily traffic
619
2022 count
Owner
County
County Highway Agency

About this bridge

State ST over Imrl RR is a concrete continuous slab carrying State ST over Imrl RR in Wapello County, Iowa. It was built in 2000, so it is 25 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 619 vehicles a day, projected to reach 619 by 2043. The structure is 150 ft (45.7 m) long and 37 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesState ST
CrossesImrl RR
Location000000000
RouteCity Street 0
CountyWapello County
StateIowa
Coordinates40.96411, -92.63291
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating99 US tons
Inventory rating59.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length150 ft (45.7 m)
Longest span59 ft (18 m)
Deck width37 ft (11.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic619 (2022)
Projected traffic619 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed6.2 mi (10 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was State ST over Imrl RR built?

It was built in 2000, making it 25 years old in 2025.

What condition is State ST over Imrl RR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does State ST over Imrl RR carry?

About 619 vehicles per day (2022 count).

How long is State ST over Imrl RR?

The structure is 150 ft (45.7 m) long with a longest span of 59 ft (18 m) and a deck 37 ft wide.

Who owns State ST over Imrl RR?

It is owned by the County Highway Agency.