US Bridges

High ST over Hockenhull Brook

Fair

Aroostook County, Maine · 0.8 MI NW of JCT US1A · Structure no. 3252

Built
1955
70 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete
Length
25 ft
1 main span
Daily traffic
1,754
2016 count
Owner
State
State Highway Agency

About this bridge

High ST over Hockenhull Brook is a concrete slab carrying High ST over Hockenhull Brook in Aroostook County, Maine. It was built in 1955, so it is 70 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 1,754 vehicles a day, roughly 5% of them trucks, projected to reach 2,631 by 2036. The structure is 25 ft (7.6 m) long and 38 ft wide. If it were closed, the detour would be 28 mi (45 km).

Location

Open in Google Maps
CarriesHigh ST
CrossesHockenhull Brook
Location0.8 MI NW of JCT US1A
RouteState Highway 161
CountyAroostook County
StateMaine
Coordinates46.78074, -67.84805
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 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 geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating42.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length25 ft (7.6 m)
Longest span22 ft (6.7 m)
Deck width38 ft (11.6 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,754 (2016)
Projected traffic2,631 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 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 High ST over Hockenhull Brook built?

It was built in 1955, making it 70 years old in 2025.

What condition is High ST over Hockenhull 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 November 2024.

How much traffic does High ST over Hockenhull Brook carry?

About 1,754 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is High ST over Hockenhull Brook?

The structure is 25 ft (7.6 m) long with a longest span of 22 ft (6.7 m) and a deck 38 ft wide.

Who owns High ST over Hockenhull Brook?

It is owned by the State Highway Agency.