US Bridges

Old Gray Summit RD over Brush CR

Good

Franklin County, Missouri · S 9 T 43 N R 2 E · Structure no. 31894

Built
2007
18 years old
Condition
Good
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
88 ft
1 main span
Daily traffic
1,300
2023 count
Owner
County
County Highway Agency

About this bridge

Old Gray Summit RD over Brush CR is a prestressed concrete box beam or girders - multiple carrying Old Gray Summit RD over Brush CR in Franklin County, Missouri. It was built in 2007, so it is 18 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 1,300 vehicles a day, roughly 6% of them trucks, projected to reach 2,080 by 2043. The structure is 88 ft (26.8 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOld Gray Summit RD
CrossesBrush CR
LocationS 9 T 43 N R 2 E
RouteCounty Highway 86
Coordinates38.47778, -90.80139
Functional classUrban Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.5 US tons
Inventory rating37.7 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length88 ft (26.8 m)
Longest span86 ft (26.1 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2023)
Projected traffic2,080 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Old Gray Summit RD over Brush CR built?

It was built in 2007, making it 18 years old in 2025.

What condition is Old Gray Summit RD over Brush 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 January 2025.

How much traffic does Old Gray Summit RD over Brush CR carry?

About 1,300 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Old Gray Summit RD over Brush CR?

The structure is 88 ft (26.8 m) long with a longest span of 86 ft (26.1 m) and a deck 27 ft wide.

Who owns Old Gray Summit RD over Brush CR?

It is owned by the County Highway Agency.