US Bridges

Mo 68 E over Spring Br

Fair

Dent County, Missouri · S 12 T 34 N R 6 W · Structure no. 8907

Built
1933
92 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
2,058
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 68 E over Spring Br is a concrete continuous culvert carrying Mo 68 E over Spring Br in Dent County, Missouri. It was built in 1933, so it is 92 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 2,058 vehicles a day, roughly 11% of them trucks, projected to reach 2,881 by 2044. The structure is 25 ft (7.6 m) long and 29 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesMo 68 E
CrossesSpring Br
LocationS 12 T 34 N R 6 W
RouteState Highway 68
Coordinates37.6614, -91.53551
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.7 US tons
Inventory rating24.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width29 ft (8.8 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,058 (2024)
Projected traffic2,881 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$306,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 68 E over Spring Br built?

It was built in 1933, making it 92 years old in 2025.

What condition is Mo 68 E over Spring 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 January 2024.

How much traffic does Mo 68 E over Spring Br carry?

About 2,058 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Mo 68 E over Spring Br?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 29 ft wide.

Who owns Mo 68 E over Spring Br?

It is owned by the State Highway Agency.