US Bridges

Old Bonne Terre RD over UP RR

Good

St. Francois County, Missouri · S 23 T 37 N R 4 E · Structure no. 31458

Built
2006
19 years old
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
75 ft
1 main span
Daily traffic
1,200
2023 count
Owner
County
County Highway Agency

About this bridge

Old Bonne Terre RD over UP RR is a concrete box beam or girders - multiple carrying Old Bonne Terre RD over UP RR in St. Francois County, Missouri. It was built in 2006, so it is 19 years old, younger than the Missouri average of 45.1 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 1,200 vehicles a day, roughly 10% of them trucks, projected to reach 1,800 by 2043. The structure is 75 ft (22.9 m) long and 30 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesOld Bonne Terre RD
CrossesUP RR
LocationS 23 T 37 N R 4 E
RouteCounty Highway 0
Coordinates37.90611, -90.54977
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.4 US tons
Inventory rating43.7 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span70 ft (21.3 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2023)
Projected traffic1,800 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Old Bonne Terre RD over UP RR built?

It was built in 2006, making it 19 years old in 2025.

What condition is Old Bonne Terre RD over UP 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 2024.

How much traffic does Old Bonne Terre RD over UP RR carry?

About 1,200 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Old Bonne Terre RD over UP RR?

The structure is 75 ft (22.9 m) long with a longest span of 70 ft (21.3 m) and a deck 30 ft wide.

Who owns Old Bonne Terre RD over UP RR?

It is owned by the County Highway Agency.