US Bridges

L Spring CR RD over Br of Spring CR

Fair

Franklin County, Missouri · S 12 T 41 N R 3 W · Structure no. 22120

Built
1999
26 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
37 ft
1 main span
Daily traffic
100
2023 count
Owner
County
County Highway Agency

About this bridge

L Spring CR RD over Br of Spring CR is a concrete culvert carrying L Spring CR RD over Br of Spring CR in Franklin County, Missouri. It was built in 1999, so it is 26 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 5 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 100 vehicles a day, roughly 15% of them trucks, projected to reach 180 by 2043. The structure is 37 ft (11.3 m) long and 28 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesL Spring CR RD
CrossesBr of Spring CR
LocationS 12 T 41 N R 3 W
RouteCounty Highway 341
CountyFranklin County
StateMissouri
Coordinates38.30693, -91.21612
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span34 ft (10.4 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic180 by 2043
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 L Spring CR RD over Br of Spring CR built?

It was built in 1999, making it 26 years old in 2025.

What condition is L Spring CR RD over Br of Spring 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 March 2023.

How much traffic does L Spring CR RD over Br of Spring CR carry?

About 100 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is L Spring CR RD over Br of Spring CR?

The structure is 37 ft (11.3 m) long with a longest span of 34 ft (10.4 m) and a deck 28 ft wide.

Who owns L Spring CR RD over Br of Spring CR?

It is owned by the County Highway Agency.