US Bridges

Route 1 over Whitten Brook

Fair

Washington County, Maine · 50 Ft E of T7 Sd T L · Structure no. 5955

Built
1962
63 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
3,590
2016 count
Owner
State
State Highway Agency

About this bridge

Route 1 over Whitten Brook is a concrete culvert carrying Route 1 over Whitten Brook in Washington County, Maine. It was built in 1962, so it is 63 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 3,590 vehicles a day, roughly 5% of them trucks, projected to reach 5,026 by 2036. The structure is 23 ft (7.1 m) long. If it were closed, the detour would be 44.7 mi (72 km).

Location

Open in Google Maps
CarriesRoute 1
CrossesWhitten Brook
Location50 Ft E of T7 Sd T L
RouteState Highway 1
CountyWashington County
StateMaine
Coordinates44.50804, -67.9927
Functional classRural Minor Arterial

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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating38.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length23 ft (7.1 m)
Longest span20 ft (6.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,590 (2016)
Projected traffic5,026 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.7 mi (72 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Route 1 over Whitten Brook built?

It was built in 1962, making it 63 years old in 2025.

What condition is Route 1 over Whitten Brook 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 October 2024.

How much traffic does Route 1 over Whitten Brook carry?

About 3,590 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Route 1 over Whitten Brook?

The structure is 23 ft (7.1 m) long with a longest span of 20 ft (6.2 m).

Who owns Route 1 over Whitten Brook?

It is owned by the State Highway Agency.