US Bridges

Centennial Lane over Branch of Little Patuxen

Good

Howard County, Maryland · 0.3 MI S of Frederick RD · Structure no. 200000HO0103020

Built
1992
33 years old
Condition
Good
inspected May 2023
Type
Culvert
Prestressed Concrete
Length
34 ft
2 main spans
Daily traffic
13,080
1999 count
Owner
County
County Highway Agency

About this bridge

Centennial Lane over Branch of Little Patuxen is a prestressed concrete culvert carrying Centennial Lane over Branch of Little Patuxen in Howard County, Maryland. It was built in 1992, so it is 33 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 13,080 vehicles a day, roughly 4% of them trucks, projected to reach 18,260 by 2015. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCentennial Lane
CrossesBranch of Little Patuxen
Location0.3 MI S of Frederick RD
RouteCounty Highway 0
Coordinates39.27401, -76.86348
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialPrestressed Concrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,080 (1999)
Projected traffic18,260 by 2015
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Centennial Lane over Branch of Little Patuxen built?

It was built in 1992, making it 33 years old in 2025.

What condition is Centennial Lane over Branch of Little Patuxen 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 2023.

How much traffic does Centennial Lane over Branch of Little Patuxen carry?

About 13,080 vehicles per day (1999 count), of which roughly 4% are trucks.

How long is Centennial Lane over Branch of Little Patuxen?

The structure is 34 ft (10.4 m) long with a longest span of 14 ft (4.3 m).

Who owns Centennial Lane over Branch of Little Patuxen?

It is owned by the County Highway Agency.