US Bridges

Herring Tract RD over Davis Brook

Good

Piscataquis County, Maine · 150 Ft N of JCT RTE 150 · Structure no. 2317

Built
2019
6 years old
Condition
Good
inspected November 2024
Type
Tee Beam
Prestressed Concrete
Length
79 ft
1 main span
Daily traffic
236
2016 count
Owner
State
State Highway Agency

About this bridge

Herring Tract RD over Davis Brook is a prestressed concrete tee beam carrying Herring Tract RD over Davis Brook in Piscataquis County, Maine. It was built in 2019, so it is 6 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 236 vehicles a day, roughly 5% of them trucks, projected to reach 378 by 2036. The structure is 79 ft (24.1 m) long and 30 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesHerring Tract RD
CrossesDavis Brook
Location150 Ft N of JCT RTE 150
RouteCity Street 0
CountyPiscataquis County
StateMaine
Coordinates45.2829, -69.42561
Functional classRural Local

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 inspectionNovember 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating85.3 US tons
Inventory rating66 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length79 ft (24.1 m)
Longest span76 ft (23.2 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic236 (2016)
Projected traffic378 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Herring Tract RD over Davis Brook built?

It was built in 2019, making it 6 years old in 2025.

What condition is Herring Tract RD over Davis 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 November 2024.

How much traffic does Herring Tract RD over Davis Brook carry?

About 236 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Herring Tract RD over Davis Brook?

The structure is 79 ft (24.1 m) long with a longest span of 76 ft (23.2 m) and a deck 30 ft wide.

Who owns Herring Tract RD over Davis Brook?

It is owned by the State Highway Agency.