US Bridges

County RD 361 over Big Lake CR

Fair

Wayne County, Missouri · S 18 T 28 N R 5 E · Structure no. 28609

Built
2000
25 years old
Condition
Fair
inspected December 2023
Type
Tee Beam
Prestressed Concrete
Length
80 ft
3 main spans
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 361 over Big Lake CR is a prestressed concrete tee beam carrying County RD 361 over Big Lake CR in Wayne County, Missouri. It was built in 2000, so it is 25 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 63 by 2044. The structure is 80 ft (24.4 m) long and 27 ft wide. If it were closed, the detour would be 65.2 mi (105 km).

CarriesCounty RD 361
CrossesBig Lake CR
LocationS 18 T 28 N R 5 E
RouteCounty Highway 131
Coordinates37.09277, -90.5437
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating72.4 US tons
Inventory rating44.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span30 ft (9.1 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic63 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed65.2 mi (105 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 RD 361 over Big Lake CR built?

It was built in 2000, making it 25 years old in 2025.

What condition is County RD 361 over Big Lake 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 December 2023.

How much traffic does County RD 361 over Big Lake CR carry?

About 50 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 361 over Big Lake CR?

The structure is 80 ft (24.4 m) long with a longest span of 30 ft (9.1 m) and a deck 27 ft wide.

Who owns County RD 361 over Big Lake CR?

It is owned by the County Highway Agency.