US Bridges

Nation DR over Br of Panther CR

FairPosted for load

Laclede County, Missouri · S 18 T 32 N R 16 W · Structure no. 22770

Built
1937
88 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
70
2023 count
Owner
County
County Highway Agency

About this bridge

Nation DR over Br of Panther CR is a concrete culvert carrying Nation DR over Br of Panther CR in Laclede 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. Its operating status is: posted for load restriction.

It carries about 70 vehicles a day, roughly 4% of them trucks, projected to reach 98 by 2043. The structure is 21 ft (6.4 m) long and 33 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

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CarriesNation DR
CrossesBr of Panther CR
LocationS 18 T 32 N R 16 W
RouteCounty Highway 373
CountyLaclede County
StateMissouri
Coordinates37.49484, -92.74214
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
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry8: Equal to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating11.9 US tons
Inventory rating7.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadOther
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width33 ft (10.1 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2023)
Projected traffic98 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byOther Local Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$225,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nation DR over Br of Panther CR built?

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

What condition is Nation DR over Br of Panther 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 March 2023.

How much traffic does Nation DR over Br of Panther CR carry?

About 70 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Nation DR over Br of Panther CR?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m) and a deck 33 ft wide.

Who owns Nation DR over Br of Panther CR?

It is owned by the County Highway Agency and maintained by the Other Local Agency.