US Bridges

Panama RD over Birch CR

Good

Vernon County, Missouri · S 9 T 35 N R 31 W · Structure no. 36954

Built
2022
3 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
39 ft
1 main span
Daily traffic
300
2024 count
Owner
County
County Highway Agency

About this bridge

Panama RD over Birch CR is a steel stringer/multi-beam or girder carrying Panama RD over Birch CR in Vernon County, Missouri. It was built in 2022, so it is 3 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 300 vehicles a day, roughly 10% of them trucks, projected to reach 390 by 2044. The structure is 39 ft (12 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesPanama RD
CrossesBirch CR
LocationS 9 T 35 N R 31 W
RouteCounty Highway 478
Coordinates37.82245, -94.35278
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100.2 US tons
Inventory rating59.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length39 ft (12 m)
Longest span36 ft (11.1 m)
Deck width24 ft (7.2 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2024)
Projected traffic390 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Panama RD over Birch CR built?

It was built in 2022, making it 3 years old in 2025.

What condition is Panama RD over Birch CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does Panama RD over Birch CR carry?

About 300 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Panama RD over Birch CR?

The structure is 39 ft (12 m) long with a longest span of 36 ft (11.1 m) and a deck 24 ft wide.

Who owns Panama RD over Birch CR?

It is owned by the County Highway Agency.