US Bridges

Lambson Forest Roa over Mills Branch

Poor

Kent County, Maryland · 1 MI SE of Md RTE 290 · Structure no. 200000K-0015030

Built
1975
50 years old
Condition
Poor
inspected November 2024
Type
Culvert
Steel
Length
22 ft
Daily traffic
265
2024 count
Owner
County
County Highway Agency

About this bridge

Lambson Forest Roa over Mills Branch is a steel culvert carrying Lambson Forest Roa over Mills Branch in Kent County, Maryland. It was built in 1975, so it is 50 years old, younger than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 265 vehicles a day, roughly 10% of them trucks, projected to reach 324 by 2044. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesLambson Forest Roa
CrossesMills Branch
Location1 MI SE of Md RTE 290
RouteCounty Highway 315
Coordinates39.30416, -75.87369
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating65.5 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans0
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic265 (2024)
Projected traffic324 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Lambson Forest Roa over Mills Branch built?

It was built in 1975, making it 50 years old in 2025.

What condition is Lambson Forest Roa over Mills Branch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does Lambson Forest Roa over Mills Branch carry?

About 265 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Lambson Forest Roa over Mills Branch?

The structure is 22 ft (6.7 m) long with a longest span of 9 ft (2.7 m).

Who owns Lambson Forest Roa over Mills Branch?

It is owned by the County Highway Agency.