US Bridges

Guilford Road over Little Patuxent River

Good

Howard County, Maryland · 0.04 MI N Berger RD · Structure no. 200000HO0131010

Built
1982
43 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
334 ft
4 main spans
Daily traffic
8,593
2024 count
Owner
County
County Highway Agency

About this bridge

Guilford Road over Little Patuxent River is a steel continuous stringer/multi-beam or girder carrying Guilford Road over Little Patuxent River in Howard County, Maryland. It was built in 1982, so it is 43 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 8,593 vehicles a day, roughly 4% of them trucks, projected to reach 10,490 by 2044. The structure is 334 ft (101.9 m) long and 47 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesGuilford Road
CrossesLittle Patuxent River
Location0.04 MI N Berger RD
RouteCounty Highway 0
Coordinates39.16832, -76.8507
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.5 US tons
Inventory rating39.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length334 ft (101.9 m)
Longest span90 ft (27.4 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,593 (2024)
Projected traffic10,490 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Guilford Road over Little Patuxent River built?

It was built in 1982, making it 43 years old in 2025.

What condition is Guilford Road over Little Patuxent River 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 Guilford Road over Little Patuxent River carry?

About 8,593 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Guilford Road over Little Patuxent River?

The structure is 334 ft (101.9 m) long with a longest span of 90 ft (27.4 m) and a deck 47 ft wide.

Who owns Guilford Road over Little Patuxent River?

It is owned by the County Highway Agency.