US Bridges

Montgomery RD over Colley Wright Brook

Good

Cumberland County, Maine · 0.4 MI NW Highland RD · Structure no. 0233

Built
1997
28 years old
Condition
Good
inspected May 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
23 ft
1 main span
Daily traffic
272
2016 count
Owner
State
State Highway Agency

About this bridge

Montgomery RD over Colley Wright Brook is a aluminum, wrought iron, or cast iron culvert carrying Montgomery RD over Colley Wright Brook in Cumberland County, Maine. It was built in 1997, so it is 28 years old, younger than the Maine average of 53.7 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 272 vehicles a day, roughly 5% of them trucks, projected to reach 435 by 2036. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMontgomery RD
CrossesColley Wright Brook
Location0.4 MI NW Highland RD
RouteCity Street 0
StateMaine
Coordinates43.74418, -70.39827
Functional classRural 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
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 rating67.5 US tons
Inventory rating52.1 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length23 ft (6.9 m)
Longest span23 ft (6.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic272 (2016)
Projected traffic435 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Montgomery RD over Colley Wright Brook built?

It was built in 1997, making it 28 years old in 2025.

What condition is Montgomery RD over Colley Wright Brook 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 2024.

How much traffic does Montgomery RD over Colley Wright Brook carry?

About 272 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Montgomery RD over Colley Wright Brook?

The structure is 23 ft (6.9 m) long with a longest span of 23 ft (6.9 m).

Who owns Montgomery RD over Colley Wright Brook?

It is owned by the State Highway Agency.