US Bridges

Md 347 over Quantico Creek

Fair

Wicomico County, Maryland · 1.02 Miles N of Md 349 · Structure no. 100000220014010

Built
1926
99 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
1,119
2023 count
Owner
State
State Highway Agency

About this bridge

Md 347 over Quantico Creek is a concrete slab carrying Md 347 over Quantico Creek in Wicomico County, Maryland. It was built in 1926, so it is 99 years old, older than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 1,119 vehicles a day, roughly 8% of them trucks, projected to reach 2,226 by 2043. The structure is 23 ft (7 m) long and 27 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesMd 347
CrossesQuantico Creek
Location1.02 Miles N of Md 349
RouteState Highway 347
CountyWicomico County
StateMaryland
Coordinates38.37001, -75.73919
Functional classRural Major 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.5 US tons
Inventory rating30.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,119 (2023)
Projected traffic2,226 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$41,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 347 over Quantico Creek built?

It was built in 1926, making it 99 years old in 2025.

What condition is Md 347 over Quantico 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 May 2023.

How much traffic does Md 347 over Quantico Creek carry?

About 1,119 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Md 347 over Quantico Creek?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns Md 347 over Quantico Creek?

It is owned by the State Highway Agency.