US Bridges

Rockhill RD over Brush CR

Fair

Jackson County, Missouri · S 29 T 49 N R 33 W · Structure no. 25439

Built
1991
34 years old
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
168 ft
3 main spans
Daily traffic
9,997
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Rockhill RD over Brush CR is a concrete continuous box beam or girders - single or spread carrying Rockhill RD over Brush CR in Jackson County, Missouri. It was built in 1991, so it is 34 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 9,997 vehicles a day, roughly 5% of them trucks, projected to reach 12,996 by 2044. The structure is 168 ft (51.2 m) long and 96 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRockhill RD
CrossesBrush CR
LocationS 29 T 49 N R 33 W
RouteCity Street 0
Coordinates39.03898, -94.57861
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.4 US tons
Inventory rating38.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length168 ft (51.2 m)
Longest span82 ft (25 m)
Deck width96 ft (29.3 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,997 (2024)
Projected traffic12,996 by 2044
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Rockhill RD over Brush CR built?

It was built in 1991, making it 34 years old in 2025.

What condition is Rockhill RD over Brush CR 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 March 2024.

How much traffic does Rockhill RD over Brush CR carry?

About 9,997 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Rockhill RD over Brush CR?

The structure is 168 ft (51.2 m) long with a longest span of 82 ft (25 m) and a deck 96 ft wide.

Who owns Rockhill RD over Brush CR?

It is owned by the City or Municipal Highway Agency.