US Bridges

Busch RD over Browns Br of Duboi

Fair

Franklin County, Missouri · S 6 T 43 N R 1 E · Structure no. 15965

Built
1994
31 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

Busch RD over Browns Br of Duboi is a prestressed concrete stringer/multi-beam or girder carrying Busch RD over Browns Br of Duboi in Franklin County, Missouri. It was built in 1994, so it is 31 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 50 vehicles a day, roughly 7% of them trucks, projected to reach 90 by 2043. The structure is 61 ft (18.6 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBusch RD
CrossesBrowns Br of Duboi
LocationS 6 T 43 N R 1 E
RouteCounty Highway 105
Coordinates38.50151, -90.95097
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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length61 ft (18.6 m)
Longest span58 ft (17.7 m)
Deck width28 ft (8.4 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic90 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Busch RD over Browns Br of Duboi built?

It was built in 1994, making it 31 years old in 2025.

What condition is Busch RD over Browns Br of Duboi 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 January 2025.

How much traffic does Busch RD over Browns Br of Duboi carry?

About 50 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Busch RD over Browns Br of Duboi?

The structure is 61 ft (18.6 m) long with a longest span of 58 ft (17.7 m) and a deck 28 ft wide.

Who owns Busch RD over Browns Br of Duboi?

It is owned by the County Highway Agency.