US Bridges

US 36 E over Maple Grove CR

Fair

DeKalb County, Missouri · S 15 T 57 N R 32 W · Structure no. 1282

Built
1966
59 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
5,231
2024 count
Owner
State
State Highway Agency

About this bridge

US 36 E over Maple Grove CR is a concrete continuous culvert carrying US 36 E over Maple Grove CR in DeKalb County, Missouri. It was built in 1966, so it is 59 years old, older 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 5 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 5,231 vehicles a day, roughly 32% of them trucks, projected to reach 10,985 by 2044. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 36 E
CrossesMaple Grove CR
LocationS 15 T 57 N R 32 W
RouteU.S. Route 36
Coordinates39.76198, -94.4862
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.2 US tons
Inventory rating57.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,231 (2024)
Projected traffic10,985 by 2044
Trucks32%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 US 36 E over Maple Grove CR built?

It was built in 1966, making it 59 years old in 2025.

What condition is US 36 E over Maple Grove 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 US 36 E over Maple Grove CR carry?

About 5,231 vehicles per day (2024 count), of which roughly 32% are trucks.

How long is US 36 E over Maple Grove CR?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m).

Who owns US 36 E over Maple Grove CR?

It is owned by the State Highway Agency.