US Bridges

County Road 316 over Moss CR

Poor

Carroll County, Missouri · S 24 T 52 N R 24 W · Structure no. 24577

Built
1930
95 years old, rebuilt 1981
Condition
Poor
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
76 ft
3 main spans
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

County Road 316 over Moss CR is a steel stringer/multi-beam or girder carrying County Road 316 over Moss CR in Carroll County, Missouri. It was built in 1930 and reconstructed in 1981, so it is 95 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 39 by 2044. The structure is 76 ft (23.2 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesCounty Road 316
CrossesMoss CR
LocationS 24 T 52 N R 24 W
RouteCounty Highway 513
CountyCarroll County
StateMissouri
Coordinates39.30517, -93.53903
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.2 US tons
Inventory rating70.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length76 ft (23.2 m)
Longest span46 ft (14 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic39 by 2044
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$396,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 316 over Moss CR built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1981.

What condition is County Road 316 over Moss CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2023.

How much traffic does County Road 316 over Moss CR carry?

About 35 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County Road 316 over Moss CR?

The structure is 76 ft (23.2 m) long with a longest span of 46 ft (14 m) and a deck 20 ft wide.

Who owns County Road 316 over Moss CR?

It is owned by the County Highway Agency.