US Bridges

Wilson Hollow RD over Trib to Big Rvr

Fair

Jefferson County, Missouri · S 19 T 39 N R 4 E · Structure no. 34692

Built
2014
11 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
84 ft
1 main span
Daily traffic
139
2023 count
Owner
County
County Highway Agency

About this bridge

Wilson Hollow RD over Trib to Big Rvr is a prestressed concrete stringer/multi-beam or girder carrying Wilson Hollow RD over Trib to Big Rvr in Jefferson County, Missouri. It was built in 2014, so it is 11 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 139 vehicles a day, roughly 10% of them trucks, projected to reach 278 by 2043. The structure is 84 ft (25.6 m) long and 33 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesWilson Hollow RD
CrossesTrib to Big Rvr
LocationS 19 T 39 N R 4 E
RouteCounty Highway 306
CountyJefferson County
StateMissouri
Coordinates38.08593, -90.62254
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.4 US tons
Inventory rating59.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length84 ft (25.6 m)
Longest span83 ft (25.3 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic139 (2023)
Projected traffic278 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Wilson Hollow RD over Trib to Big Rvr built?

It was built in 2014, making it 11 years old in 2025.

What condition is Wilson Hollow RD over Trib to Big Rvr 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 Wilson Hollow RD over Trib to Big Rvr carry?

About 139 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Wilson Hollow RD over Trib to Big Rvr?

The structure is 84 ft (25.6 m) long with a longest span of 83 ft (25.3 m) and a deck 33 ft wide.

Who owns Wilson Hollow RD over Trib to Big Rvr?

It is owned by the County Highway Agency.