US Bridges

NE 1270 over Trib of Cooper CR

Good

St. Clair County, Missouri · S 1 T 39 N R 26 W · Structure no. 35709

Built
2018
7 years old
Condition
Good
inspected December 2023
Type
Slab
Concrete
Length
45 ft
1 main span
Daily traffic
250
2023 count
Owner
County
County Highway Agency

About this bridge

NE 1270 over Trib of Cooper CR is a concrete slab carrying NE 1270 over Trib of Cooper CR in St. Clair County, Missouri. It was built in 2018, so it is 7 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 250 vehicles a day, roughly 10% of them trucks, projected to reach 300 by 2043. The structure is 45 ft (13.7 m) long and 21 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesNE 1270
CrossesTrib of Cooper CR
LocationS 1 T 39 N R 26 W
RouteCounty Highway 96
Coordinates38.20556, -93.73889
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.4 US tons
Inventory rating59.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckOther
Main spans1
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span43 ft (13.1 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2023)
Projected traffic300 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byOther Local Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NE 1270 over Trib of Cooper CR built?

It was built in 2018, making it 7 years old in 2025.

What condition is NE 1270 over Trib of Cooper CR 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 NE 1270 over Trib of Cooper CR carry?

About 250 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is NE 1270 over Trib of Cooper CR?

The structure is 45 ft (13.7 m) long with a longest span of 43 ft (13.1 m) and a deck 21 ft wide.

Who owns NE 1270 over Trib of Cooper CR?

It is owned by the County Highway Agency and maintained by the Other Local Agency.