US Bridges

Mo 168 E over Spring Br

Fair

Marion County, Missouri · S 25 T 58 N R 6 W · Structure no. 384

Built
1960
65 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete Continuous
Length
31 ft
3 main spans
Daily traffic
1,542
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 168 E over Spring Br is a concrete continuous culvert carrying Mo 168 E over Spring Br in Marion County, Missouri. It was built in 1960, so it is 65 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 1,542 vehicles a day, roughly 8% of them trucks, projected to reach 2,236 by 2044. The structure is 31 ft (9.6 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesMo 168 E
CrossesSpring Br
LocationS 25 T 58 N R 6 W
RouteState Highway 168
Coordinates39.8094, -91.51537
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.4 US tons
Inventory rating47.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 20
Structure length31 ft (9.6 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,542 (2024)
Projected traffic2,236 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 168 E over Spring Br built?

It was built in 1960, making it 65 years old in 2025.

What condition is Mo 168 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 October 2023.

How much traffic does Mo 168 E over Spring Br carry?

About 1,542 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Mo 168 E over Spring Br?

The structure is 31 ft (9.6 m) long with a longest span of 10 ft (3 m).

Who owns Mo 168 E over Spring Br?

It is owned by the State Highway Agency.