US Bridges

Abijah Bridge Road over Dudley Brook

Good

Hillsborough County, New Hampshire · 0.11 MI from Deering Tl · Structure no. 026700300012500

Built
1999
26 years old
Condition
Good
inspected August 2023
Type
Culvert
Prestressed Concrete
Length
29 ft
1 main span
Daily traffic
96
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Abijah Bridge Road over Dudley Brook is a prestressed concrete culvert carrying Abijah Bridge Road over Dudley Brook in Hillsborough County, New Hampshire. It was built in 1999, so it is 26 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 96 vehicles a day, roughly 4% of them trucks, projected to reach 142 by 2043. The structure is 29 ft (8.8 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesAbijah Bridge Road
CrossesDudley Brook
Location0.11 MI from Deering Tl
RouteCity Street 0
Coordinates43.08319, -71.79583
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.1 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length29 ft (8.8 m)
Longest span28 ft (8.5 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96 (2023)
Projected traffic142 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Abijah Bridge Road over Dudley Brook built?

It was built in 1999, making it 26 years old in 2025.

What condition is Abijah Bridge Road over Dudley 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 August 2023.

How much traffic does Abijah Bridge Road over Dudley Brook carry?

About 96 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Abijah Bridge Road over Dudley Brook?

The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m) and a deck 27 ft wide.

Who owns Abijah Bridge Road over Dudley Brook?

It is owned by the City or Municipal Highway Agency.