US Bridges

Mill Creek RD over Mill Creek

Good

Waldo County, Maine · So End of Islands · Structure no. 3490

Built
2013
12 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete
Length
60 ft
1 main span
Daily traffic
690
2016 count
Owner
State
State Highway Agency

About this bridge

Mill Creek RD over Mill Creek is a concrete slab carrying Mill Creek RD over Mill Creek in Waldo County, Maine. It was built in 2013, so it is 12 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 690 vehicles a day, roughly 5% of them trucks, projected to reach 1,104 by 2036. The structure is 60 ft (18.3 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMill Creek RD
CrossesMill Creek
LocationSo End of Islands
RouteCounty Highway 0
StateMaine
Coordinates44.28767, -68.91826
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.2 US tons
Inventory rating48.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadGreater than HL 93
Structure length60 ft (18.3 m)
Longest span56 ft (17.1 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic690 (2016)
Projected traffic1,104 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 Mill Creek RD over Mill Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is Mill Creek RD over Mill Creek 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 October 2023.

How much traffic does Mill Creek RD over Mill Creek carry?

About 690 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Mill Creek RD over Mill Creek?

The structure is 60 ft (18.3 m) long with a longest span of 56 ft (17.1 m) and a deck 30 ft wide.

Who owns Mill Creek RD over Mill Creek?

It is owned by the State Highway Agency.