US Bridges

County Road 413 over Trib of Grand Rvr

FairPosted for load

Carroll County, Missouri · S 8 T 53 N R 20 W · Structure no. 24221

Built
1910
115 years old, rebuilt 1985
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
3 main spans
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

County Road 413 over Trib of Grand Rvr is a steel stringer/multi-beam or girder carrying County Road 413 over Trib of Grand Rvr in Carroll County, Missouri. It was built in 1910 and reconstructed in 1985, so it is 115 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. Its operating status is: posted for load restriction.

It carries about 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 42 ft (12.8 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road 413
CrossesTrib of Grand Rvr
LocationS 8 T 53 N R 20 W
RouteCounty Highway 465
Coordinates39.42666, -93.18267
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
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 rating7.9 US tons
Inventory rating4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length42 ft (12.8 m)
Longest span14 ft (4.3 m)
Deck width20 ft (6 m)
Roadway width20 ft (6 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 closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$366,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 413 over Trib of Grand Rvr built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 1985.

What condition is County Road 413 over Trib of Grand Rvr 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 413 over Trib of Grand Rvr carry?

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

How long is County Road 413 over Trib of Grand Rvr?

The structure is 42 ft (12.8 m) long with a longest span of 14 ft (4.3 m) and a deck 20 ft wide.

Who owns County Road 413 over Trib of Grand Rvr?

It is owned by the County Highway Agency.