US Bridges

Chester RD over Medunkeunk Stream

Fair

Penobscot County, Maine · 3.2 MI NE of Townline · Structure no. 5907

Built
1962
63 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
37 ft
1 main span
Daily traffic
2,450
2016 count
Owner
State
State Highway Agency

About this bridge

Chester RD over Medunkeunk Stream is a concrete slab carrying Chester RD over Medunkeunk Stream in Penobscot County, Maine. It was built in 1962, so it is 63 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 2,450 vehicles a day, roughly 5% of them trucks, projected to reach 3,430 by 2036. The structure is 37 ft (11.4 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesChester RD
CrossesMedunkeunk Stream
Location3.2 MI NE of Townline
RouteCounty Highway 116
CountyPenobscot County
StateMaine
Coordinates45.3933, -68.51849
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.8 US tons
Inventory rating71.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length37 ft (11.4 m)
Longest span35 ft (10.7 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,450 (2016)
Projected traffic3,430 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Chester RD over Medunkeunk Stream built?

It was built in 1962, making it 63 years old in 2025.

What condition is Chester RD over Medunkeunk 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 March 2024.

How much traffic does Chester RD over Medunkeunk Stream carry?

About 2,450 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Chester RD over Medunkeunk Stream?

The structure is 37 ft (11.4 m) long with a longest span of 35 ft (10.7 m) and a deck 29 ft wide.

Who owns Chester RD over Medunkeunk Stream?

It is owned by the State Highway Agency.