US Bridges

Gildea RD over Trib of Big Rvr

FairPosted for load

Washington County, Missouri · S 2152 T 36 N R 2 E · Structure no. 14996

Built
1950
75 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
35 ft
3 main spans
Daily traffic
75
2024 count
Owner
County
County Highway Agency

About this bridge

Gildea RD over Trib of Big Rvr is a concrete continuous slab carrying Gildea RD over Trib of Big Rvr in Washington County, Missouri. It was built in 1950, so it is 75 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 75 vehicles a day, roughly 10% of them trucks, projected to reach 90 by 2044. The structure is 35 ft (10.7 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesGildea RD
CrossesTrib of Big Rvr
LocationS 2152 T 36 N R 2 E
RouteCounty Highway 81
CountyWashington County
StateMissouri
Coordinates37.7944, -90.834
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be 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 alignment8: Equal to present desirable criteria
Operating rating22.8 US tons
Inventory rating12.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length35 ft (10.7 m)
Longest span12 ft (3.6 m)
Deck width20 ft (6.1 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 closed5 mi (8 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 Gildea RD over Trib of Big Rvr built?

It was built in 1950, making it 75 years old in 2025.

What condition is Gildea RD over Trib of 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 April 2024.

How much traffic does Gildea RD over Trib of Big Rvr carry?

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

How long is Gildea RD over Trib of Big Rvr?

The structure is 35 ft (10.7 m) long with a longest span of 12 ft (3.6 m) and a deck 20 ft wide.

Who owns Gildea RD over Trib of Big Rvr?

It is owned by the County Highway Agency.