US Bridges

Arbor RD over Panther CR

PoorPosted for load

Laclede County, Missouri · S 16 T 32 N R 17 W · Structure no. 22928

Built
1948
77 years old
Condition
Poor
inspected March 2023
Type
Slab
Concrete Continuous
Length
35 ft
3 main spans
Daily traffic
15
2023 count
Owner
County
County Highway Agency

About this bridge

Arbor RD over Panther CR is a concrete continuous slab carrying Arbor RD over Panther CR in Laclede County, Missouri. It was built in 1948, so it is 77 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 15 vehicles a day, roughly 5% of them trucks, projected to reach 21 by 2043. The structure is 35 ft (10.7 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesArbor RD
CrossesPanther CR
LocationS 16 T 32 N R 17 W
RouteCounty Highway 381
CountyLaclede County
StateMissouri
Coordinates37.49651, -92.80267
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 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 within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating17.9 US tons
Inventory rating13.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length35 ft (10.7 m)
Longest span12 ft (3.7 m)
Deck width16 ft (4.8 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2023)
Projected traffic21 by 2043
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$311,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Arbor RD over Panther CR built?

It was built in 1948, making it 77 years old in 2025.

What condition is Arbor RD over Panther CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.

How much traffic does Arbor RD over Panther CR carry?

About 15 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Arbor RD over Panther CR?

The structure is 35 ft (10.7 m) long with a longest span of 12 ft (3.7 m) and a deck 16 ft wide.

Who owns Arbor RD over Panther CR?

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