US Bridges

Overpass RD 623 over 81 & 11

Good

Botetourt County, Virginia · 0.00-FO54; 0.00-FO55 · Structure no. 000000000003399

Built
1959
66 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
235 ft
2 main spans
Daily traffic
517
2022 count
Owner
State
State Highway Agency

About this bridge

Overpass RD 623 over 81 & 11 is a prestressed concrete box beam or girders - multiple carrying Overpass RD 623 over 81 & 11 in Botetourt County, Virginia. It was built in 1959, so it is 66 years old, older than the Virginia average of 50.7 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 517 vehicles a day, roughly 1% of them trucks, projected to reach 644 by 2045. The structure is 235 ft (71.5 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOverpass RD 623
Crosses81 & 11
Location0.00-FO54; 0.00-FO55
RouteCounty Highway 623
Coordinates37.59452, -79.62886
Functional classRural Minor 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.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating58 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHL 93
Structure length235 ft (71.5 m)
Longest span60 ft (18.3 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic517 (2022)
Projected traffic644 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 Overpass RD 623 over 81 & 11 built?

It was built in 1959, making it 66 years old in 2025.

What condition is Overpass RD 623 over 81 & 11 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 November 2023.

How much traffic does Overpass RD 623 over 81 & 11 carry?

About 517 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Overpass RD 623 over 81 & 11?

The structure is 235 ft (71.5 m) long with a longest span of 60 ft (18.3 m) and a deck 28 ft wide.

Who owns Overpass RD 623 over 81 & 11?

It is owned by the State Highway Agency.