US Bridges

Rt C S over Sulphur CR

Fair

Macon County, Missouri · S 15 T 57 N R 15 W · Structure no. 965

Built
1964
61 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
899
2024 count
Owner
State
State Highway Agency

About this bridge

Rt C S over Sulphur CR is a concrete continuous culvert carrying Rt C S over Sulphur CR in Macon County, Missouri. It was built in 1964, so it is 61 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 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 899 vehicles a day, roughly 13% of them trucks, projected to reach 1,124 by 2044. The structure is 23 ft (7 m) long. If it were closed, the detour would be 29.8 mi (48 km).

CarriesRt C S
CrossesSulphur CR
LocationS 15 T 57 N R 15 W
RouteState Highway 0C
Coordinates39.74658, -92.56461
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating95.2 US tons
Inventory rating57.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length23 ft (7 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic899 (2024)
Projected traffic1,124 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Rt C S over Sulphur CR built?

It was built in 1964, making it 61 years old in 2025.

What condition is Rt C S over Sulphur 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 September 2023.

How much traffic does Rt C S over Sulphur CR carry?

About 899 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is Rt C S over Sulphur CR?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m).

Who owns Rt C S over Sulphur CR?

It is owned by the State Highway Agency.