US Bridges

Mcgehan RD over Trib of Joachim CR

Fair

Jefferson County, Missouri · S 26 T 39 N R 4 E · Structure no. 37016

Built
2023
2 years old
Condition
Fair
inspected February 2025
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
100
2023 count
Owner
County
County Highway Agency

About this bridge

Mcgehan RD over Trib of Joachim CR is a prestressed concrete box beam or girders - single or spread carrying Mcgehan RD over Trib of Joachim CR in Jefferson County, Missouri. It was built in 2023, so it is 2 years old, younger 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 200 by 2043. The structure is 66 ft (20.2 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMcgehan RD
CrossesTrib of Joachim CR
LocationS 26 T 39 N R 4 E
RouteCounty Highway 330
Coordinates38.06736, -90.54963
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length66 ft (20.2 m)
Longest span62 ft (18.9 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic200 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mcgehan RD over Trib of Joachim CR built?

It was built in 2023, making it 2 years old in 2025.

What condition is Mcgehan RD over Trib of Joachim 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 2025.

How much traffic does Mcgehan RD over Trib of Joachim CR carry?

About 100 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Mcgehan RD over Trib of Joachim CR?

The structure is 66 ft (20.2 m) long with a longest span of 62 ft (18.9 m) and a deck 29 ft wide.

Who owns Mcgehan RD over Trib of Joachim CR?

It is owned by the County Highway Agency.