US Bridges

Mount Prospect Ave over Onancock Creek

FairPosted for load

Accomack County, Virginia · .09 FR T-1003/.04 to 178 · Structure no. 000000000000393

Built
1951
74 years old, rebuilt 1978
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
196 ft
13 main spans
Daily traffic
271
2017 count
Owner
State
State Highway Agency

About this bridge

Mount Prospect Ave over Onancock Creek is a steel stringer/multi-beam or girder carrying Mount Prospect Ave over Onancock Creek in Accomack County, Virginia. It was built in 1951 and reconstructed in 1978, so it is 74 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. Its operating status is: posted for load restriction.

It carries about 271 vehicles a day, projected to reach 352 by 2045. The structure is 196 ft (59.7 m) long and 20 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesMount Prospect Ave
CrossesOnancock Creek
Location.09 FR T-1003/.04 to 178
RouteCounty Highway 1002
CountyAccomack County
StateVirginia
Coordinates37.71085, -75.7546
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26 US tons
Inventory rating15 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans13
Design loadHS 15
Structure length196 ft (59.7 m)
Longest span15 ft (4.6 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic271 (2017)
Projected traffic352 by 2045
Trucks0%
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

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$543 million (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mount Prospect Ave over Onancock Creek built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1978.

What condition is Mount Prospect Ave over Onancock Creek 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 2024.

How much traffic does Mount Prospect Ave over Onancock Creek carry?

About 271 vehicles per day (2017 count).

How long is Mount Prospect Ave over Onancock Creek?

The structure is 196 ft (59.7 m) long with a longest span of 15 ft (4.6 m) and a deck 20 ft wide.

Who owns Mount Prospect Ave over Onancock Creek?

It is owned by the State Highway Agency.