US Bridges

Inv 2100307 RD over Katahdin Stream

Fair

Piscataquis County, Maine · 3.5 MI S Tl · Structure no. 0918

Built
1975
50 years old
Condition
Fair
inspected October 2022
Type
Culvert
Steel
Length
27 ft
2 main spans
Daily traffic
193
2016 count
Owner
State
Other State Agency

About this bridge

Inv 2100307 RD over Katahdin Stream is a steel culvert carrying Inv 2100307 RD over Katahdin Stream in Piscataquis County, Maine. It was built in 1975, so it is 50 years old, younger 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 6 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 193 vehicles a day, roughly 5% of them trucks, projected to reach 309 by 2036. The structure is 27 ft (8.3 m) long. If it were closed, the detour would be 100 mi (161 km).

Location

Open in Google Maps
CarriesInv 2100307 RD
CrossesKatahdin Stream
Location3.5 MI S Tl
RouteFederal Lands Road 0
CountyPiscataquis County
StateMaine
Coordinates45.88548, -69.0001
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating106.8 US tons
Inventory rating71.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 20
Structure length27 ft (8.3 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic193 (2016)
Projected traffic309 by 2036
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther State Agency
Maintained byOther State 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 Inv 2100307 RD over Katahdin Stream built?

It was built in 1975, making it 50 years old in 2025.

What condition is Inv 2100307 RD over Katahdin 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 October 2022.

How much traffic does Inv 2100307 RD over Katahdin Stream carry?

About 193 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Inv 2100307 RD over Katahdin Stream?

The structure is 27 ft (8.3 m) long with a longest span of 12 ft (3.7 m).

Who owns Inv 2100307 RD over Katahdin Stream?

It is owned by the Other State Agency.