US Bridges

Md 410 over Sligo Creek

Fair

Prince George's County, Maryland · 0.23 Mile West of Md 212 · Structure no. 100000160067010

Built
1934
91 years old
Condition
Fair
inspected January 2024
Type
Tee Beam
Concrete
Length
43 ft
1 main span
Daily traffic
21,452
2009 count
Owner
State
State Highway Agency

About this bridge

Md 410 over Sligo Creek is a concrete tee beam carrying Md 410 over Sligo Creek in Prince George's County, Maryland. It was built in 1934, so it is 91 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 21,452 vehicles a day, roughly 8% of them trucks, projected to reach 24,711 by 2026. The structure is 43 ft (13.1 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMd 410
CrossesSligo Creek
Location0.23 Mile West of Md 212
RouteState Highway 410
CountyPrince George's County
StateMaryland
Coordinates38.97409, -76.98315
Functional classUrban Other Principal Arterial

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 protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating44 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span40 ft (12.2 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,452 (2009)
Projected traffic24,711 by 2026
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$124,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 410 over Sligo Creek built?

It was built in 1934, making it 91 years old in 2025.

What condition is Md 410 over Sligo 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 January 2024.

How much traffic does Md 410 over Sligo Creek carry?

About 21,452 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 410 over Sligo Creek?

The structure is 43 ft (13.1 m) long with a longest span of 40 ft (12.2 m) and a deck 44 ft wide.

Who owns Md 410 over Sligo Creek?

It is owned by the State Highway Agency.