US Bridges

Merrimac Trail over Colonial Pkwy

GoodPosted for load

Williamsburg city, Virginia · 0.14SCL Willi O.76 to 31 · Structure no. 000000000022338

Built
1948
77 years old
Condition
Good
inspected May 2024
Type
Arch - Deck
Concrete
Length
56 ft
1 main span
Daily traffic
5,343
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Merrimac Trail over Colonial Pkwy is a concrete arch - deck carrying Merrimac Trail over Colonial Pkwy in Williamsburg city, Virginia. It was built in 1948, so it is 77 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. Its operating status is: posted for load restriction.

It carries about 5,343 vehicles a day, projected to reach 5,957 by 2042. The structure is 56 ft (17.1 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMerrimac Trail
CrossesColonial Pkwy
Location0.14SCL Willi O.76 to 31
RouteState Highway 143
Coordinates37.27691, -76.68134
Functional classUrban Other Principal Arterial

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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating27 US tons
Inventory rating20.9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length56 ft (17.1 m)
Longest span56 ft (17.1 m)
Deck width36 ft (11 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,343 (2022)
Projected traffic5,957 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$284 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Merrimac Trail over Colonial Pkwy built?

It was built in 1948, making it 77 years old in 2025.

What condition is Merrimac Trail over Colonial Pkwy 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 May 2024.

How much traffic does Merrimac Trail over Colonial Pkwy carry?

About 5,343 vehicles per day (2022 count).

How long is Merrimac Trail over Colonial Pkwy?

The structure is 56 ft (17.1 m) long with a longest span of 56 ft (17.1 m) and a deck 36 ft wide.

Who owns Merrimac Trail over Colonial Pkwy?

It is owned by the City or Municipal Highway Agency.