US Bridges

Lincoln Street over Great Brook

Good

Hillsborough County, New Hampshire · 0.1 MI FR Union ST · Structure no. 017201220012600

Built
1992
33 years old
Condition
Good
inspected June 2024
Type
Slab
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
1,817
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lincoln Street over Great Brook is a prestressed concrete slab carrying Lincoln Street over Great Brook in Hillsborough County, New Hampshire. It was built in 1992, so it is 33 years old, younger than the New Hampshire average of 56.9 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 1,817 vehicles a day, roughly 4% of them trucks, projected to reach 2,689 by 2043. The structure is 45 ft (13.7 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLincoln Street
CrossesGreat Brook
Location0.1 MI FR Union ST
RouteCity Street 0
Coordinates42.83232, -71.64983
Functional classUrban 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 protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating47 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length45 ft (13.7 m)
Longest span40 ft (12.2 m)
Deck width33 ft (10.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,817 (2023)
Projected traffic2,689 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$314,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lincoln Street over Great Brook built?

It was built in 1992, making it 33 years old in 2025.

What condition is Lincoln Street over Great Brook 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 June 2024.

How much traffic does Lincoln Street over Great Brook carry?

About 1,817 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Lincoln Street over Great Brook?

The structure is 45 ft (13.7 m) long with a longest span of 40 ft (12.2 m) and a deck 33 ft wide.

Who owns Lincoln Street over Great Brook?

It is owned by the City or Municipal Highway Agency.