US Bridges

South Clinton ST over BNSF RR

Good

Monroe County, Iowa · 072172200 · Structure no. 000000000037461

Built
2023
2 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
207 ft
3 main spans
Daily traffic
1,585
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

South Clinton ST over BNSF RR is a prestressed concrete stringer/multi-beam or girder carrying South Clinton ST over BNSF RR in Monroe County, Iowa. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,585 vehicles a day, roughly 2% of them trucks, projected to reach 1,585 by 2043. The structure is 207 ft (63.1 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSouth Clinton ST
CrossesBNSF RR
Location072172200
RouteCity Street 0
StateIowa
Coordinates41.01975, -92.80885
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable 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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length207 ft (63.1 m)
Longest span111 ft (33.8 m)
Deck width43 ft (13 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,585 (2022)
Projected traffic1,585 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$30,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was South Clinton ST over BNSF RR built?

It was built in 2023, making it 2 years old in 2025.

What condition is South Clinton ST over BNSF 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 December 2023.

How much traffic does South Clinton ST over BNSF RR carry?

About 1,585 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is South Clinton ST over BNSF RR?

The structure is 207 ft (63.1 m) long with a longest span of 111 ft (33.8 m) and a deck 43 ft wide.

Who owns South Clinton ST over BNSF RR?

It is owned by the City or Municipal Highway Agency.