US Bridges

Rt M S over Long Br

Fair

Scotland County, Missouri · S 35 T 64 N R 11 W · Structure no. 9505

Built
1953
72 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
34 ft
3 main spans
Daily traffic
390
2024 count
Owner
State
State Highway Agency

About this bridge

Rt M S over Long Br is a concrete continuous culvert carrying Rt M S over Long Br in Scotland County, Missouri. It was built in 1953, so it is 72 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.

It carries about 390 vehicles a day, roughly 10% of them trucks, projected to reach 566 by 2044. The structure is 34 ft (10.5 m) long and 27 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesRt M S
CrossesLong Br
LocationS 35 T 64 N R 11 W
RouteState Highway 0M
Coordinates40.30649, -92.09005
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51.6 US tons
Inventory rating30.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 10
Structure length34 ft (10.5 m)
Longest span11 ft (3.4 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic390 (2024)
Projected traffic566 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 M S over Long Br built?

It was built in 1953, making it 72 years old in 2025.

What condition is Rt M S over Long Br 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 October 2024.

How much traffic does Rt M S over Long Br carry?

About 390 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Rt M S over Long Br?

The structure is 34 ft (10.5 m) long with a longest span of 11 ft (3.4 m) and a deck 27 ft wide.

Who owns Rt M S over Long Br?

It is owned by the State Highway Agency.