US Bridges

Dry Valley RD/787 over RTE I 81

Fair

Montgomery County, Virginia · 0.07-RT664; 0.35-RT665 · Structure no. 000000000012357

Built
1965
60 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
255 ft
4 main spans
Daily traffic
141
2022 count
Owner
State
State Highway Agency

About this bridge

Dry Valley RD/787 over RTE I 81 is a steel stringer/multi-beam or girder carrying Dry Valley RD/787 over RTE I 81 in Montgomery County, Virginia. It was built in 1965, so it is 60 years old, older than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 141 vehicles a day, roughly 3% of them trucks, projected to reach 157 by 2045. The structure is 255 ft (77.6 m) long and 29 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesDry Valley RD/787
CrossesRTE I 81
Location0.07-RT664; 0.35-RT665
RouteCounty Highway 787
CountyMontgomery County
StateVirginia
Coordinates37.09825, -80.5298
Functional classRural Minor Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length255 ft (77.6 m)
Longest span78 ft (23.8 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic141 (2022)
Projected traffic157 by 2045
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$117.2 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Dry Valley RD/787 over RTE I 81 built?

It was built in 1965, making it 60 years old in 2025.

What condition is Dry Valley RD/787 over RTE I 81 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 June 2023.

How much traffic does Dry Valley RD/787 over RTE I 81 carry?

About 141 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Dry Valley RD/787 over RTE I 81?

The structure is 255 ft (77.6 m) long with a longest span of 78 ft (23.8 m) and a deck 29 ft wide.

Who owns Dry Valley RD/787 over RTE I 81?

It is owned by the State Highway Agency.