US Bridges

Rt D S over Long Br

Fair

Harrison County, Missouri · S 27 T 65 N R 29 W · Structure no. 9176

Built
1937
88 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
77
2024 count
Owner
State
State Highway Agency

About this bridge

Rt D S over Long Br is a concrete continuous culvert carrying Rt D S over Long Br in Harrison County, Missouri. It was built in 1937, so it is 88 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 77 vehicles a day, roughly 18% of them trucks, projected to reach 100 by 2044. The structure is 24 ft (7.3 m) long and 33 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesRt D S
CrossesLong Br
LocationS 27 T 65 N R 29 W
RouteState Highway 0D
Coordinates40.4094, -94.1575
Functional classRural Minor 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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic77 (2024)
Projected traffic100 by 2044
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 D S over Long Br built?

It was built in 1937, making it 88 years old in 2025.

What condition is Rt D 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 2023.

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

About 77 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is Rt D S over Long Br?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m) and a deck 33 ft wide.

Who owns Rt D S over Long Br?

It is owned by the State Highway Agency.