US Bridges

Mo 68 E over Norman CR

Fair

Dent County, Missouri · S 23 T 35 N R 6 W · Structure no. 8905

Built
1933
92 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
44 ft
3 main spans
Daily traffic
1,209
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 68 E over Norman CR is a concrete continuous culvert carrying Mo 68 E over Norman CR 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 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 1,209 vehicles a day, roughly 11% of them trucks, projected to reach 1,693 by 2044. The structure is 44 ft (13.4 m) long and 29 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesMo 68 E
CrossesNorman CR
LocationS 23 T 35 N R 6 W
RouteState Highway 68
Coordinates37.74128, -91.5535
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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.6 US tons
Inventory rating30.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 10
Structure length44 ft (13.4 m)
Longest span10 ft (3 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,209 (2024)
Projected traffic1,693 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 68 E over Norman CR built?

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

What condition is Mo 68 E over Norman 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 2024.

How much traffic does Mo 68 E over Norman CR carry?

About 1,209 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Mo 68 E over Norman CR?

The structure is 44 ft (13.4 m) long with a longest span of 10 ft (3 m) and a deck 29 ft wide.

Who owns Mo 68 E over Norman CR?

It is owned by the State Highway Agency.