US Bridges

BIA Route 1530 over Mattamiscontis Stream

Good

Penobscot County, Maine · 3.15 KM NW of Access Road · Structure no. 0000S50018B0012

Built
2014
11 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
50
2018 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

BIA Route 1530 over Mattamiscontis Stream is a steel stringer/multi-beam or girder carrying BIA Route 1530 over Mattamiscontis Stream in Penobscot County, Maine. It was built in 2014, so it is 11 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 50% of them trucks, projected to reach 58 by 2044. The structure is 50 ft (15.3 m) long and 14 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesBIA Route 1530
CrossesMattamiscontis Stream
Location3.15 KM NW of Access Road
RouteFederal Lands Road 1530
StateMaine
Coordinates45.39806, -68.62958
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.1 US tons
Inventory rating34.3 US tons

Structure

MaterialSteel
DeckSteel plate
Main spans1
Design loadHS 20
Structure length50 ft (15.3 m)
Longest span49 ft (14.8 m)
Deck width14 ft (4.4 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2018)
Projected traffic58 by 2044
Trucks50%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Indian Affairs
Maintained byBureau of Indian Affairs
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 BIA Route 1530 over Mattamiscontis Stream built?

It was built in 2014, making it 11 years old in 2025.

What condition is BIA Route 1530 over Mattamiscontis Stream 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 July 2024.

How much traffic does BIA Route 1530 over Mattamiscontis Stream carry?

About 50 vehicles per day (2018 count), of which roughly 50% are trucks.

How long is BIA Route 1530 over Mattamiscontis Stream?

The structure is 50 ft (15.3 m) long with a longest span of 49 ft (14.8 m) and a deck 14 ft wide.

Who owns BIA Route 1530 over Mattamiscontis Stream?

It is owned by the Bureau of Indian Affairs.