US Bridges

Greenfield RD over Olaman Stream

FairPosted for load

Penobscot County, Maine · 2.5 MI E Townline · Structure no. 2628

Built
1951
74 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
25 ft
1 main span
Daily traffic
513
2016 count
Owner
State
State Highway Agency

About this bridge

Greenfield RD over Olaman Stream is a concrete slab carrying Greenfield RD over Olaman Stream in Penobscot County, Maine. It was built in 1951, so it is 74 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for other load-capacity restriction.

It carries about 513 vehicles a day, roughly 5% of them trucks, projected to reach 821 by 2036. The structure is 25 ft (7.6 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesGreenfield RD
CrossesOlaman Stream
Location2.5 MI E Townline
RouteCity Street 0
StateMaine
Coordinates45.05337, -68.46604
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating27.9 US tons
Inventory rating21.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length25 ft (7.6 m)
Longest span22 ft (6.7 m)
Deck width26 ft (7.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic513 (2016)
Projected traffic821 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Greenfield RD over Olaman Stream built?

It was built in 1951, making it 74 years old in 2025.

What condition is Greenfield RD over Olaman 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 August 2024.

How much traffic does Greenfield RD over Olaman Stream carry?

About 513 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Greenfield RD over Olaman Stream?

The structure is 25 ft (7.6 m) long with a longest span of 22 ft (6.7 m) and a deck 26 ft wide.

Who owns Greenfield RD over Olaman Stream?

It is owned by the State Highway Agency.