US Bridges

County RD 2400 over Trib Robinson Br

Good

Vernon County, Missouri · S 23 T 36 N R 30 W · Structure no. 20320

Built
1988
37 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 2400 over Trib Robinson Br is a steel stringer/multi-beam or girder carrying County RD 2400 over Trib Robinson Br in Vernon County, Missouri. It was built in 1988, so it is 37 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 130 by 2044. The structure is 50 ft (15.2 m) long and 18 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCounty RD 2400
CrossesTrib Robinson Br
LocationS 23 T 36 N R 30 W
RouteCounty Highway 255
CountyVernon County
StateMissouri
Coordinates37.88, -94.19657
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.4 US tons
Inventory rating50.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length50 ft (15.2 m)
Longest span47 ft (14.3 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic130 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
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 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 2400 over Trib Robinson Br built?

It was built in 1988, making it 37 years old in 2025.

What condition is County RD 2400 over Trib Robinson Br 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 January 2024.

How much traffic does County RD 2400 over Trib Robinson Br carry?

About 100 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 2400 over Trib Robinson Br?

The structure is 50 ft (15.2 m) long with a longest span of 47 ft (14.3 m) and a deck 18 ft wide.

Who owns County RD 2400 over Trib Robinson Br?

It is owned by the County Highway Agency.