US Bridges

Kingston RD over Trib to Mineral Fk

Fair

Washington County, Missouri · S 2066 T 39 N R 3 E · Structure no. 12600

Built
1960
65 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
27 ft
4 main spans
Daily traffic
75
2024 count
Owner
County
County Highway Agency

About this bridge

Kingston RD over Trib to Mineral Fk is a concrete culvert carrying Kingston RD over Trib to Mineral Fk in Washington County, Missouri. It was built in 1960, so it is 65 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 75 vehicles a day, roughly 10% of them trucks, projected to reach 90 by 2044. The structure is 27 ft (8.2 m) long and 22 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesKingston RD
CrossesTrib to Mineral Fk
LocationS 2066 T 39 N R 3 E
RouteCounty Highway 15
CountyWashington County
StateMissouri
Coordinates38.09699, -90.76504
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 10
Structure length27 ft (8.2 m)
Longest span7 ft (2 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2024)
Projected traffic90 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 Kingston RD over Trib to Mineral Fk built?

It was built in 1960, making it 65 years old in 2025.

What condition is Kingston RD over Trib to Mineral Fk 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 April 2024.

How much traffic does Kingston RD over Trib to Mineral Fk carry?

About 75 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Kingston RD over Trib to Mineral Fk?

The structure is 27 ft (8.2 m) long with a longest span of 7 ft (2 m) and a deck 22 ft wide.

Who owns Kingston RD over Trib to Mineral Fk?

It is owned by the County Highway Agency.