US Bridges

Kerby Hill Road over Carey Branch

Good

Prince George's County, Maryland · 1.5 Mile South of I-495 · Structure no. 100000160309010

Built
2021
4 years old
Condition
Good
inspected March 2024
Type
Girder and Floorbeam System
Steel
Length
75 ft
1 main span
Daily traffic
6,525
2014 count
Owner
State
State Highway Agency

About this bridge

Kerby Hill Road over Carey Branch is a steel girder and floorbeam system carrying Kerby Hill Road over Carey Branch in Prince George's County, Maryland. It was built in 2021, so it is 4 years old, younger than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,525 vehicles a day, roughly 7% of them trucks, projected to reach 7,250 by 2035. The structure is 75 ft (22.8 m) long and 58 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

No coordinates are recorded for this structure.

CarriesKerby Hill Road
CrossesCarey Branch
Location1.5 Mile South of I-495
RouteCounty Highway 0
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.8 US tons
Inventory rating70.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length75 ft (22.8 m)
Longest span70 ft (21.3 m)
Deck width58 ft (17.6 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,525 (2014)
Projected traffic7,250 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Kerby Hill Road over Carey Branch built?

It was built in 2021, making it 4 years old in 2025.

What condition is Kerby Hill Road over Carey Branch 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 March 2024.

How much traffic does Kerby Hill Road over Carey Branch carry?

About 6,525 vehicles per day (2014 count), of which roughly 7% are trucks.

How long is Kerby Hill Road over Carey Branch?

The structure is 75 ft (22.8 m) long with a longest span of 70 ft (21.3 m) and a deck 58 ft wide.

Who owns Kerby Hill Road over Carey Branch?

It is owned by the State Highway Agency.