US Bridges

County RD NW 1301 over Trib of Monegaw CR

Good

St. Clair County, Missouri · S 28 T 39 N R 28 W · Structure no. 37342

Built
2024
1 years old
Condition
Good
inspected August 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
29 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

County RD NW 1301 over Trib of Monegaw CR is a aluminum, wrought iron, or cast iron culvert carrying County RD NW 1301 over Trib of Monegaw CR in St. Clair County, Missouri. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: new structure not yet open to traffic.

It carries about 15 vehicles a day, roughly 10% of them trucks, projected to reach 18 by 2044. The structure is 29 ft (8.7 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty RD NW 1301
CrossesTrib of Monegaw CR
LocationS 28 T 39 N R 28 W
RouteCounty Highway 10
Coordinates38.12694, -94.01694
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
Channel and channel protection9 ExcellentNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusNew structure not yet open to traffic
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 20
Structure length29 ft (8.7 m)
Longest span24 ft (7.2 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic18 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD NW 1301 over Trib of Monegaw CR built?

It was built in 2024, making it 1 years old in 2025.

What condition is County RD NW 1301 over Trib of Monegaw 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 August 2024.

How much traffic does County RD NW 1301 over Trib of Monegaw CR carry?

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD NW 1301 over Trib of Monegaw CR?

The structure is 29 ft (8.7 m) long with a longest span of 24 ft (7.2 m) and a deck 28 ft wide.

Who owns County RD NW 1301 over Trib of Monegaw CR?

It is owned by the County Highway Agency.