US Bridges

Carrs LN 084 over Mills CR

Fair

Ralls County, Missouri · S 5 T 56 N R 4 W · Structure no. 15069

Built
1987
38 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
200
2023 count
Owner
County
County Highway Agency

About this bridge

Carrs LN 084 over Mills CR is a concrete culvert carrying Carrs LN 084 over Mills CR in Ralls County, Missouri. It was built in 1987, so it is 38 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 270 by 2043. The structure is 24 ft (7.3 m) long and 49 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCarrs LN 084
CrossesMills CR
LocationS 5 T 56 N R 4 W
RouteCounty Highway 84
Coordinates39.67792, -91.37689
Functional classUrban 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadOther
Structure length24 ft (7.3 m)
Longest span12 ft (3.7 m)
Deck width49 ft (14.9 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic270 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Carrs LN 084 over Mills CR built?

It was built in 1987, making it 38 years old in 2025.

What condition is Carrs LN 084 over Mills 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 June 2024.

How much traffic does Carrs LN 084 over Mills CR carry?

About 200 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Carrs LN 084 over Mills CR?

The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.7 m) and a deck 49 ft wide.

Who owns Carrs LN 084 over Mills CR?

It is owned by the County Highway Agency.