US Bridges

Main ST over Spring Rvr

Good

Lawrence County, Missouri · S 17 T 26 N R 26 W · Structure no. 23859

Built
1990
35 years old
Condition
Good
inspected March 2023
Type
Tee Beam
Prestressed Concrete
Length
115 ft
3 main spans
Daily traffic
300
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Main ST over Spring Rvr is a prestressed concrete tee beam carrying Main ST over Spring Rvr in Lawrence County, Missouri. It was built in 1990, so it is 35 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 7 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 420 by 2043. The structure is 115 ft (35.1 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMain ST
CrossesSpring Rvr
LocationS 17 T 26 N R 26 W
RouteCity Street 0
Coordinates36.95913, -93.80031
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating32.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length115 ft (35.1 m)
Longest span39 ft (11.8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic420 by 2043
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

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 Main ST over Spring Rvr built?

It was built in 1990, making it 35 years old in 2025.

What condition is Main ST over Spring Rvr 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 March 2023.

How much traffic does Main ST over Spring Rvr carry?

About 300 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Main ST over Spring Rvr?

The structure is 115 ft (35.1 m) long with a longest span of 39 ft (11.8 m) and a deck 27 ft wide.

Who owns Main ST over Spring Rvr?

It is owned by the City or Municipal Highway Agency.