US Bridges

Waltham RD over Webb Brook

Fair

Hancock County, Maine · 0.8 MI S JCT RTE 200 · Structure no. 3231

Built
1935
90 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete
Length
28 ft
1 main span
Daily traffic
1,073
2016 count
Owner
State
State Highway Agency

About this bridge

Waltham RD over Webb Brook is a concrete tee beam carrying Waltham RD over Webb Brook in Hancock County, Maine. It was built in 1935, so it is 90 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 5 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 1,073 vehicles a day, roughly 5% of them trucks, projected to reach 1,610 by 2036. The structure is 28 ft (8.5 m) long and 28 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

Location

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CarriesWaltham RD
CrossesWebb Brook
Location0.8 MI S JCT RTE 200
RouteCounty Highway 179
CountyHancock County
StateMaine
Coordinates44.68753, -68.34947
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating33.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length28 ft (8.5 m)
Longest span25 ft (7.6 m)
Deck width28 ft (8.4 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,073 (2016)
Projected traffic1,610 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 Waltham RD over Webb Brook built?

It was built in 1935, making it 90 years old in 2025.

What condition is Waltham RD over Webb 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 August 2024.

How much traffic does Waltham RD over Webb Brook carry?

About 1,073 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Waltham RD over Webb Brook?

The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.6 m) and a deck 28 ft wide.

Who owns Waltham RD over Webb Brook?

It is owned by the State Highway Agency.