US Bridges

Estes RD over Trib to Red Oak CR

Good

Gasconade County, Missouri · S 19 T 42 N R 4 W · Structure no. 34817

Built
2013
12 years old
Condition
Good
inspected March 2024
Type
Slab
Concrete
Length
27 ft
2 main spans
Daily traffic
60
2024 count
Owner
County
County Highway Agency

About this bridge

Estes RD over Trib to Red Oak CR is a concrete slab carrying Estes RD over Trib to Red Oak CR in Gasconade County, Missouri. It was built in 2013, so it is 12 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 60 vehicles a day, roughly 10% of them trucks, projected to reach 75 by 2044. The structure is 27 ft (8.2 m) long and 21 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesEstes RD
CrossesTrib to Red Oak CR
LocationS 19 T 42 N R 4 W
RouteCounty Highway 138
Coordinates38.36817, -91.41486
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span13 ft (4 m)
Deck width21 ft (6.4 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2024)
Projected traffic75 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Estes RD over Trib to Red Oak CR built?

It was built in 2013, making it 12 years old in 2025.

What condition is Estes RD over Trib to Red Oak CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does Estes RD over Trib to Red Oak CR carry?

About 60 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Estes RD over Trib to Red Oak CR?

The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4 m) and a deck 21 ft wide.

Who owns Estes RD over Trib to Red Oak CR?

It is owned by the County Highway Agency.