US Bridges

Rt Af E over N Spring CR

Fair

Douglas County, Missouri · S 26 T 26 N R 16 W · Structure no. 6740

Built
1956
69 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
241
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Af E over N Spring CR is a concrete continuous culvert carrying Rt Af E over N Spring CR in Douglas County, Missouri. It was built in 1956, so it is 69 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 241 vehicles a day, roughly 37% of them trucks, projected to reach 374 by 2044. The structure is 38 ft (11.6 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesRt Af E
CrossesN Spring CR
LocationS 26 T 26 N R 16 W
RouteState Highway 0AF
CountyDouglas County
StateMissouri
Coordinates36.90657, -92.67198
Functional classRural Major Collector

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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to 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 alignment6: Equal to present minimum criteria
Operating rating52.6 US tons
Inventory rating31.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 10
Structure length38 ft (11.6 m)
Longest span10 ft (3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic241 (2024)
Projected traffic374 by 2044
Trucks37%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Rt Af E over N Spring CR built?

It was built in 1956, making it 69 years old in 2025.

What condition is Rt Af E 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 Rt Af E over N Spring CR carry?

About 241 vehicles per day (2024 count), of which roughly 37% are trucks.

How long is Rt Af E over N Spring CR?

The structure is 38 ft (11.6 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Rt Af E over N Spring CR?

It is owned by the State Highway Agency.