US Bridges

Mo 116 E over Roberts Br

Fair

Clinton County, Missouri · S 21 T 55 N R 32 W · Structure no. 2450

Built
1973
52 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
2,750
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 116 E over Roberts Br is a concrete culvert carrying Mo 116 E over Roberts Br in Clinton County, Missouri. It was built in 1973, so it is 52 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 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 2,750 vehicles a day, roughly 10% of them trucks, projected to reach 3,713 by 2044. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 26.1 mi (42 km).

Location

Open in Google Maps
CarriesMo 116 E
CrossesRoberts Br
LocationS 21 T 55 N R 32 W
RouteState Highway 116
CountyClinton County
StateMissouri
Coordinates39.55799, -94.50051
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.2 US tons
Inventory rating57.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,750 (2024)
Projected traffic3,713 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 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 Mo 116 E over Roberts Br built?

It was built in 1973, making it 52 years old in 2025.

What condition is Mo 116 E over Roberts Br 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 Mo 116 E over Roberts Br carry?

About 2,750 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Mo 116 E over Roberts Br?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m).

Who owns Mo 116 E over Roberts Br?

It is owned by the State Highway Agency.