US Bridges

Mo 42 E over Br

Fair

Maries County, Missouri · S 35 T 40 N R 11 W · Structure no. 8741

Built
1932
93 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
438
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 42 E over Br is a concrete continuous culvert carrying Mo 42 E over Br in Maries County, Missouri. It was built in 1932, so it is 93 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 438 vehicles a day, roughly 5% of them trucks, projected to reach 635 by 2044. The structure is 22 ft (6.8 m) long and 22 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesMo 42 E
CrossesBr
LocationS 35 T 40 N R 11 W
RouteState Highway 42
Coordinates38.17382, -92.11186
Functional classRural Minor Arterial

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 inspectionAugust 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 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 rating51.6 US tons
Inventory rating30.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length22 ft (6.8 m)
Longest span10 ft (3 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic438 (2024)
Projected traffic635 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 42 E over Br built?

It was built in 1932, making it 93 years old in 2025.

What condition is Mo 42 E over 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 August 2024.

How much traffic does Mo 42 E over Br carry?

About 438 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Mo 42 E over Br?

The structure is 22 ft (6.8 m) long with a longest span of 10 ft (3 m) and a deck 22 ft wide.

Who owns Mo 42 E over Br?

It is owned by the State Highway Agency.