US Bridges

Baltimore RD./685 over Rte. I-77

Fair

Carroll County, Virginia · 0.05 RTE702; 2.70 RTE704 · Structure no. 000000000004689

Built
1976
49 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
268 ft
2 main spans
Daily traffic
70
2020 count
Owner
State
State Highway Agency

About this bridge

Baltimore RD./685 over Rte. I-77 is a steel continuous stringer/multi-beam or girder carrying Baltimore RD./685 over Rte. I-77 in Carroll County, Virginia. It was built in 1976, so it is 49 years old, younger 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 70 vehicles a day, projected to reach 79 by 2045. The structure is 268 ft (81.8 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesBaltimore RD./685
CrossesRte. I-77
Location0.05 RTE702; 2.70 RTE704
RouteCounty Highway 685
CountyCarroll County
StateVirginia
Coordinates36.69543, -80.73586
Functional classRural Local

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 inspectionSeptember 2024
Inspection intervalevery 12 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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadUnknown
Structure length268 ft (81.8 m)
Longest span94 ft (28.5 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2020)
Projected traffic79 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 Baltimore RD./685 over Rte. I-77 built?

It was built in 1976, making it 49 years old in 2025.

What condition is Baltimore RD./685 over Rte. I-77 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 September 2024.

How much traffic does Baltimore RD./685 over Rte. I-77 carry?

About 70 vehicles per day (2020 count).

How long is Baltimore RD./685 over Rte. I-77?

The structure is 268 ft (81.8 m) long with a longest span of 94 ft (28.5 m) and a deck 30 ft wide.

Who owns Baltimore RD./685 over Rte. I-77?

It is owned by the State Highway Agency.