US Bridges

Mo 5 S over N Spring CR

Fair

Douglas County, Missouri · S 34 T 26 N R 16 W · Structure no. 4689

Built
1923
102 years old, rebuilt 1964
Condition
Fair
inspected February 2025
Type
Culvert
Concrete Continuous
Length
46 ft
3 main spans
Daily traffic
3,895
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 5 S over N Spring CR is a concrete continuous culvert carrying Mo 5 S over N Spring CR in Douglas County, Missouri. It was built in 1923 and reconstructed in 1964, so it is 102 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 3,895 vehicles a day, roughly 11% of them trucks, projected to reach 6,622 by 2044. The structure is 46 ft (14 m) long. If it were closed, the detour would be 29.8 mi (48 km).

Location

Open in Google Maps
CarriesMo 5 S
CrossesN Spring CR
LocationS 34 T 26 N R 16 W
RouteState Highway 5
CountyDouglas County
StateMissouri
Coordinates36.89266, -92.68377
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating79.4 US tons
Inventory rating47.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 20
Structure length46 ft (14 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,895 (2024)
Projected traffic6,622 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Mo 5 S over N Spring CR built?

It was built in 1923, making it 102 years old in 2025. It was reconstructed in 1964.

What condition is Mo 5 S over N 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 February 2025.

How much traffic does Mo 5 S over N Spring CR carry?

About 3,895 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Mo 5 S over N Spring CR?

The structure is 46 ft (14 m) long with a longest span of 14 ft (4.3 m).

Who owns Mo 5 S over N Spring CR?

It is owned by the State Highway Agency.