US Bridges

Thunder RD over Big CR

Fair

Taney County, Missouri · S 26 T 22 N R 17 W · Structure no. 18153

Built
1987
38 years old
Condition
Fair
inspected February 2025
Type
Tee Beam
Prestressed Concrete
Length
241 ft
5 main spans
Daily traffic
35
2023 count
Owner
County
County Highway Agency

About this bridge

Thunder RD over Big CR is a prestressed concrete tee beam carrying Thunder RD over Big CR in Taney 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 35 vehicles a day, roughly 10% of them trucks, projected to reach 70 by 2043. The structure is 241 ft (73.5 m) long and 27 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesThunder RD
CrossesBig CR
LocationS 26 T 22 N R 17 W
RouteCounty Highway 175
Coordinates36.55133, -92.79401
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51.6 US tons
Inventory rating27.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 15
Structure length241 ft (73.5 m)
Longest span48 ft (14.6 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2023)
Projected traffic70 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 Thunder RD over Big CR built?

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

What condition is Thunder RD over Big 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 February 2025.

How much traffic does Thunder RD over Big CR carry?

About 35 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Thunder RD over Big CR?

The structure is 241 ft (73.5 m) long with a longest span of 48 ft (14.6 m) and a deck 27 ft wide.

Who owns Thunder RD over Big CR?

It is owned by the County Highway Agency.