US Bridges

Unicorn RD over Mid Indian CR

FairPosted for load

Newton County, Missouri · S 10 T 24 N R 30 W · Structure no. 25063

Built
1930
95 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
80 ft
4 main spans
Daily traffic
60
2024 count
Owner
County
County Highway Agency

About this bridge

Unicorn RD over Mid Indian CR is a concrete slab carrying Unicorn RD over Mid Indian CR in Newton County, Missouri. It was built in 1930, 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 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 60 vehicles a day, roughly 10% of them trucks, projected to reach 93 by 2044. The structure is 80 ft (24.4 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUnicorn RD
CrossesMid Indian CR
LocationS 10 T 24 N R 30 W
RouteCounty Highway 611
Coordinates36.81146, -94.14547
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
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 rating11.9 US tons
Inventory rating6.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length80 ft (24.4 m)
Longest span20 ft (6.1 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2024)
Projected traffic93 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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$599,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Unicorn RD over Mid Indian CR built?

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

What condition is Unicorn RD over Mid Indian 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 January 2024.

How much traffic does Unicorn RD over Mid Indian CR carry?

About 60 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Unicorn RD over Mid Indian CR?

The structure is 80 ft (24.4 m) long with a longest span of 20 ft (6.1 m) and a deck 22 ft wide.

Who owns Unicorn RD over Mid Indian CR?

It is owned by the County Highway Agency.