US Bridges

Mills RD over French Stream

Fair

Penobscot County, Maine · 0.6 MI SE of RTE 11 & 43 · Structure no. 5838

Built
1959
66 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
28 ft
1 main span
Daily traffic
328
2016 count
Owner
State
State Highway Agency

About this bridge

Mills RD over French Stream is a concrete slab carrying Mills RD over French Stream in Penobscot County, Maine. It was built in 1959, so it is 66 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 328 vehicles a day, roughly 5% of them trucks, projected to reach 525 by 2036. The structure is 28 ft (8.4 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesMills RD
CrossesFrench Stream
Location0.6 MI SE of RTE 11 & 43
RouteCity Street 0
CountyPenobscot County
StateMaine
Coordinates44.97031, -69.08129
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length28 ft (8.4 m)
Longest span24 ft (7.3 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic328 (2016)
Projected traffic525 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Mills RD over French Stream built?

It was built in 1959, making it 66 years old in 2025.

What condition is Mills RD over French 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 August 2023.

How much traffic does Mills RD over French Stream carry?

About 328 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Mills RD over French Stream?

The structure is 28 ft (8.4 m) long with a longest span of 24 ft (7.3 m) and a deck 30 ft wide.

Who owns Mills RD over French Stream?

It is owned by the State Highway Agency.