US Bridges

US 63 N over Cst Brown Station RD

Good

Boone County, Missouri · S 29 T 49 N R 12 W · Structure no. 3354

Built
1986
39 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
188 ft
3 main spans
Daily traffic
11,290
2024 count
Owner
State
State Highway Agency

About this bridge

US 63 N over Cst Brown Station RD is a prestressed concrete continuous stringer/multi-beam or girder carrying US 63 N over Cst Brown Station RD 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11,290 vehicles a day, roughly 19% of them trucks, projected to reach 18,629 by 2044. The structure is 188 ft (57.3 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 63 N
CrossesCst Brown Station RD
LocationS 29 T 49 N R 12 W
RouteU.S. Route 63
Coordinates38.99312, -92.29191
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.5 US tons
Inventory rating42.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length188 ft (57.3 m)
Longest span68 ft (20.6 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,290 (2024)
Projected traffic18,629 by 2044
Trucks19%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 US 63 N over Cst Brown Station RD built?

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

What condition is US 63 N over Cst Brown Station RD 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 September 2023.

How much traffic does US 63 N over Cst Brown Station RD carry?

About 11,290 vehicles per day (2024 count), of which roughly 19% are trucks.

How long is US 63 N over Cst Brown Station RD?

The structure is 188 ft (57.3 m) long with a longest span of 68 ft (20.6 m) and a deck 41 ft wide.

Who owns US 63 N over Cst Brown Station RD?

It is owned by the State Highway Agency.