US Bridges

County Road 395 over Unknown Br

Fair

Carroll County, Missouri · S 12 T 53 N R 21 W · Structure no. 24061

Built
1950
75 years old, rebuilt 1988
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
2 main spans
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

County Road 395 over Unknown Br is a steel stringer/multi-beam or girder carrying County Road 395 over Unknown Br in Carroll County, Missouri. It was built in 1950 and reconstructed in 1988, so it is 75 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 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 34 ft (10.4 m) long and 19 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCounty Road 395
CrossesUnknown Br
LocationS 12 T 53 N R 21 W
RouteCounty Highway 454
CountyCarroll County
StateMissouri
Coordinates39.42292, -93.21388
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.3 US tons
Inventory rating63.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length34 ft (10.4 m)
Longest span17 ft (5.2 m)
Deck width19 ft (5.8 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic17 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 395 over Unknown Br built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1988.

What condition is County Road 395 over Unknown 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 January 2024.

How much traffic does County Road 395 over Unknown Br carry?

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County Road 395 over Unknown Br?

The structure is 34 ft (10.4 m) long with a longest span of 17 ft (5.2 m) and a deck 19 ft wide.

Who owns County Road 395 over Unknown Br?

It is owned by the County Highway Agency.