US Bridges

Mo 6 E over Hoge Br

Poor

Adair County, Missouri · S 30 T 62 N R 13 W · Structure no. 4965

Built
1926
99 years old
Condition
Poor
inspected December 2023
Type
Culvert
Concrete Continuous
Length
30 ft
2 main spans
Daily traffic
2,660
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 6 E over Hoge Br is a concrete continuous culvert carrying Mo 6 E over Hoge Br in Adair County, Missouri. It was built in 1926, so it is 99 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,660 vehicles a day, roughly 27% of them trucks, projected to reach 4,655 by 2044. The structure is 30 ft (9.1 m) long and 36 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

CarriesMo 6 E
CrossesHoge Br
LocationS 30 T 62 N R 13 W
RouteState Highway 6
Coordinates40.14833, -92.40101
Functional classRural Principal Arterial - Other

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 spans2
Design loadOther
Structure length30 ft (9.1 m)
Longest span10 ft (3 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,660 (2024)
Projected traffic4,655 by 2044
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.7 mi (51 km)
TollOn a free road
National Highway SystemYes

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 6 E over Hoge Br built?

It was built in 1926, making it 99 years old in 2025.

What condition is Mo 6 E over Hoge Br in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2023.

How much traffic does Mo 6 E over Hoge Br carry?

About 2,660 vehicles per day (2024 count), of which roughly 27% are trucks.

How long is Mo 6 E over Hoge Br?

The structure is 30 ft (9.1 m) long with a longest span of 10 ft (3 m) and a deck 36 ft wide.

Who owns Mo 6 E over Hoge Br?

It is owned by the State Highway Agency.