US Bridges

Spring ST over Birch Br

Fair

Vernon County, Missouri · S 13 T 35 N R 31 W · Structure no. 21322

Built
1995
30 years old
Condition
Fair
inspected February 2024
Type
Tee Beam
Prestressed Concrete
Length
151 ft
3 main spans
Daily traffic
1,120
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Spring ST over Birch Br is a prestressed concrete tee beam carrying Spring ST over Birch Br in Vernon County, Missouri. It was built in 1995, so it is 30 years old, younger 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 1,120 vehicles a day, roughly 10% of them trucks, projected to reach 1,456 by 2044. The structure is 151 ft (46 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSpring ST
CrossesBirch Br
LocationS 13 T 35 N R 31 W
RouteCity Street 0
CountyVernon County
StateMissouri
Coordinates37.82272, -94.36533
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.3 US tons
Inventory rating49.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length151 ft (46 m)
Longest span50 ft (15.2 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,120 (2024)
Projected traffic1,456 by 2044
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Spring ST over Birch Br built?

It was built in 1995, making it 30 years old in 2025.

What condition is Spring ST over Birch 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 February 2024.

How much traffic does Spring ST over Birch Br carry?

About 1,120 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Spring ST over Birch Br?

The structure is 151 ft (46 m) long with a longest span of 50 ft (15.2 m) and a deck 33 ft wide.

Who owns Spring ST over Birch Br?

It is owned by the City or Municipal Highway Agency.