US Bridges

Route 1 over Stower Brook

Good

Waldo County, Maine · 1.7 MI S Townline · Structure no. 5928

Built
2020
5 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
36 ft
1 main span
Daily traffic
6,180
2020 count
Owner
State
State Highway Agency

About this bridge

Route 1 over Stower Brook is a concrete culvert carrying Route 1 over Stower Brook in Waldo County, Maine. It was built in 2020, so it is 5 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 6,180 vehicles a day, roughly 10% of them trucks, projected to reach 6,550 by 2032. The structure is 36 ft (11.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRoute 1
CrossesStower Brook
Location1.7 MI S Townline
RouteState Highway 1
CountyWaldo County
StateMaine
Coordinates44.52067, -68.81388
Functional classRural Principal Arterial - Other

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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating56.8 US tons
Inventory rating44 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadGreater than HL 93
Structure length36 ft (11.1 m)
Longest span33 ft (10.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,180 (2020)
Projected traffic6,550 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 Route 1 over Stower Brook built?

It was built in 2020, making it 5 years old in 2025.

What condition is Route 1 over Stower 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 April 2024.

How much traffic does Route 1 over Stower Brook carry?

About 6,180 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Route 1 over Stower Brook?

The structure is 36 ft (11.1 m) long with a longest span of 33 ft (10.2 m).

Who owns Route 1 over Stower Brook?

It is owned by the State Highway Agency.