US Bridges

Rt M E over Grider Br

Good

Boone County, Missouri · S 26 T 46 N R 13 W · Structure no. 9122

Built
1935
90 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
169
2024 count
Owner
State
State Highway Agency

About this bridge

Rt M E over Grider Br is a concrete continuous culvert carrying Rt M E over Grider Br in Boone County, Missouri. It was built in 1935, so it is 90 years old, older 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 169 vehicles a day, roughly 12% of them trucks, projected to reach 296 by 2044. The structure is 28 ft (8.4 m) long and 49 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRt M E
CrossesGrider Br
LocationS 26 T 46 N R 13 W
RouteState Highway 0M
Coordinates38.73797, -92.36478
Functional classRural Minor Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating105.2 US tons
Inventory rating62.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length28 ft (8.4 m)
Longest span12 ft (3.7 m)
Deck width49 ft (14.8 m)
Roadway width47 ft (14.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic169 (2024)
Projected traffic296 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Rt M E over Grider Br built?

It was built in 1935, making it 90 years old in 2025.

What condition is Rt M E over Grider 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 September 2023.

How much traffic does Rt M E over Grider Br carry?

About 169 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Rt M E over Grider Br?

The structure is 28 ft (8.4 m) long with a longest span of 12 ft (3.7 m) and a deck 49 ft wide.

Who owns Rt M E over Grider Br?

It is owned by the State Highway Agency.