US Bridges

Birch Crk RD 651 over Birch CR

Fair

Shannon County, Missouri · S 28 T 27 N R 5 W · Structure no. 17466

Built
1938
87 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
35 ft
2 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

Birch Crk RD 651 over Birch CR is a concrete continuous slab carrying Birch Crk RD 651 over Birch CR in Shannon County, Missouri. It was built in 1938, so it is 87 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 6 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 60 by 2043. The structure is 35 ft (10.7 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesBirch Crk RD 651
CrossesBirch CR
LocationS 28 T 27 N R 5 W
RouteCounty Highway 153
CountyShannon County
StateMissouri
Coordinates36.9826, -91.5023
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating34.7 US tons
Inventory rating18.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length35 ft (10.7 m)
Longest span17 ft (5.2 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic60 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Birch Crk RD 651 over Birch CR built?

It was built in 1938, making it 87 years old in 2025.

What condition is Birch Crk RD 651 over Birch 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 January 2025.

How much traffic does Birch Crk RD 651 over Birch CR carry?

About 50 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Birch Crk RD 651 over Birch CR?

The structure is 35 ft (10.7 m) long with a longest span of 17 ft (5.2 m) and a deck 22 ft wide.

Who owns Birch Crk RD 651 over Birch CR?

It is owned by the County Highway Agency.