US Bridges

County RD 1238 over Green Rvr Slu

Good

Vernon County, Missouri · S 25 T 36 N R 32 W · Structure no. 21997

Built
1996
29 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
150
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 1238 over Green Rvr Slu is a concrete culvert carrying County RD 1238 over Green Rvr Slu in Vernon County, Missouri. It was built in 1996, so it is 29 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 150 vehicles a day, roughly 10% of them trucks, projected to reach 195 by 2043. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCounty RD 1238
CrossesGreen Rvr Slu
LocationS 25 T 36 N R 32 W
RouteCounty Highway 334
Coordinates37.87363, -94.41055
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 protection8 Very GoodNo problems noted.
Culvert7 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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic195 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 1238 over Green Rvr Slu built?

It was built in 1996, making it 29 years old in 2025.

What condition is County RD 1238 over Green Rvr Slu 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 County RD 1238 over Green Rvr Slu carry?

About 150 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 1238 over Green Rvr Slu?

The structure is 31 ft (9.4 m) long with a longest span of 10 ft (3 m).

Who owns County RD 1238 over Green Rvr Slu?

It is owned by the County Highway Agency.