US Bridges

Cedar Hill RD over I-81

Fair

Frederick County, Virginia · 0.62 to 811 - 0.23 to 11 · Structure no. 000000000008275

Built
1964
61 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
258 ft
5 main spans
Daily traffic
789
2022 count
Owner
State
State Highway Agency

About this bridge

Cedar Hill RD over I-81 is a prestressed concrete stringer/multi-beam or girder carrying Cedar Hill RD over I-81 in Frederick County, Virginia. It was built in 1964, so it is 61 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 789 vehicles a day, roughly 1% of them trucks, projected to reach 1,152 by 2042. The structure is 258 ft (78.5 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCedar Hill RD
CrossesI-81
Location0.62 to 811 - 0.23 to 11
RouteCounty Highway 671
CountyFrederick County
StateVirginia
Coordinates39.26658, -78.09572
Functional classUrban 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 inspectionOctober 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating68 US tons
Inventory rating49.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length258 ft (78.5 m)
Longest span62 ft (18.9 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic789 (2022)
Projected traffic1,152 by 2042
Trucks1%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$256 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cedar Hill RD over I-81 built?

It was built in 1964, making it 61 years old in 2025.

What condition is Cedar Hill RD over 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 October 2024.

How much traffic does Cedar Hill RD over I-81 carry?

About 789 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Cedar Hill RD over I-81?

The structure is 258 ft (78.5 m) long with a longest span of 62 ft (18.9 m) and a deck 29 ft wide.

Who owns Cedar Hill RD over I-81?

It is owned by the State Highway Agency.