US Bridges

Durham RD over Mill Pond Stream

Fair

Cumberland County, Maine · 3MI N I-95 · Structure no. 2167

Built
1931
94 years old, rebuilt 2011
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
25 ft
1 main span
Daily traffic
4,921
2016 count
Owner
State
State Highway Agency

About this bridge

Durham RD over Mill Pond Stream is a concrete culvert carrying Durham RD over Mill Pond Stream in Cumberland County, Maine. It was built in 1931 and reconstructed in 2011, so it is 94 years old, older than the Maine average of 53.7 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 4,921 vehicles a day, roughly 5% of them trucks, projected to reach 6,889 by 2036. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 29.2 mi (47 km).

CarriesDurham RD
CrossesMill Pond Stream
Location3MI N I-95
RouteCounty Highway 136
StateMaine
Coordinates43.89908, -70.11424
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.6 US tons
Inventory rating41.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length25 ft (7.6 m)
Longest span21 ft (6.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,921 (2016)
Projected traffic6,889 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.2 mi (47 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 Durham RD over Mill Pond Stream built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 2011.

What condition is Durham RD over Mill Pond Stream 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 July 2024.

How much traffic does Durham RD over Mill Pond Stream carry?

About 4,921 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Durham RD over Mill Pond Stream?

The structure is 25 ft (7.6 m) long with a longest span of 21 ft (6.3 m).

Who owns Durham RD over Mill Pond Stream?

It is owned by the State Highway Agency.