US Bridges

NE Vanburen RD over Grindstone CR

Fair

Clinton County, Missouri · S 22 T 55 N R 31 W · Structure no. 17598

Built
1994
31 years old
Condition
Fair
inspected December 2024
Type
Slab
Wood or Timber
Length
32 ft
1 main span
Daily traffic
40
2023 count
Owner
County
County Highway Agency

About this bridge

NE Vanburen RD over Grindstone CR is a wood or timber slab carrying NE Vanburen RD over Grindstone CR in Clinton County, Missouri. It was built in 1994, so it is 31 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 40 vehicles a day, roughly 10% of them trucks, projected to reach 46 by 2043. The structure is 32 ft (9.8 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNE Vanburen RD
CrossesGrindstone CR
LocationS 22 T 55 N R 31 W
RouteCounty Highway 157
CountyClinton County
StateMissouri
Coordinates39.56482, -94.36153
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span32 ft (9.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2023)
Projected traffic46 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 NE Vanburen RD over Grindstone CR built?

It was built in 1994, making it 31 years old in 2025.

What condition is NE Vanburen RD over Grindstone CR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.

How much traffic does NE Vanburen RD over Grindstone CR carry?

About 40 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is NE Vanburen RD over Grindstone CR?

The structure is 32 ft (9.8 m) long with a longest span of 32 ft (9.8 m) and a deck 26 ft wide.

Who owns NE Vanburen RD over Grindstone CR?

It is owned by the County Highway Agency.