US Bridges

County RD 516 over Otter CR

Fair

Shelby County, Missouri · S 15 T 56 N R 12 W · Structure no. 22904

Built
1995
30 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
33 ft
2 main spans
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 516 over Otter CR is a concrete culvert carrying County RD 516 over Otter CR in Shelby County, Missouri. It was built in 1995, so it is 30 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 63 by 2044. The structure is 33 ft (10.1 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCounty RD 516
CrossesOtter CR
LocationS 15 T 56 N R 12 W
RouteCounty Highway 379
CountyShelby County
StateMissouri
Coordinates39.64883, -92.23261
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length33 ft (10.1 m)
Longest span13 ft (4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic63 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 516 over Otter CR built?

It was built in 1995, making it 30 years old in 2025.

What condition is County RD 516 over Otter 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 March 2024.

How much traffic does County RD 516 over Otter CR carry?

About 50 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 516 over Otter CR?

The structure is 33 ft (10.1 m) long with a longest span of 13 ft (4 m) and a deck 31 ft wide.

Who owns County RD 516 over Otter CR?

It is owned by the County Highway Agency.