US Bridges

Oakland Gravel RD over US 63

Fair

Boone County, Missouri · S 29 T 49 N R 12 W · Structure no. 3312

Built
1986
39 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
303 ft
2 main spans
Daily traffic
1,947
2024 count
Owner
State
State Highway Agency

About this bridge

Oakland Gravel RD over US 63 is a steel continuous stringer/multi-beam or girder carrying Oakland Gravel RD over US 63 in Boone County, Missouri. It was built in 1986, so it is 39 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 1,947 vehicles a day, roughly 5% of them trucks, projected to reach 3,602 by 2044. The structure is 303 ft (92.4 m) long and 39 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesOakland Gravel RD
CrossesUS 63
LocationS 29 T 49 N R 12 W
RouteCounty Highway 0
Coordinates39.00094, -92.30127
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.5 US tons
Inventory rating38.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length303 ft (92.4 m)
Longest span123 ft (37.5 m)
Deck width39 ft (12 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,947 (2024)
Projected traffic3,602 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Oakland Gravel RD over US 63 built?

It was built in 1986, making it 39 years old in 2025.

What condition is Oakland Gravel RD over US 63 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 September 2023.

How much traffic does Oakland Gravel RD over US 63 carry?

About 1,947 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Oakland Gravel RD over US 63?

The structure is 303 ft (92.4 m) long with a longest span of 123 ft (37.5 m) and a deck 39 ft wide.

Who owns Oakland Gravel RD over US 63?

It is owned by the State Highway Agency.