US Bridges

Evans Road over S Branch Baker River

Good

Grafton County, New Hampshire · 60 Ft FR No Dorchester R · Structure no. 026901360005300

Built
1937
88 years old, rebuilt 2013
Condition
Good
inspected September 2023
Type
Slab
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
96
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Evans Road over S Branch Baker River is a prestressed concrete slab carrying Evans Road over S Branch Baker River in Grafton County, New Hampshire. It was built in 1937 and reconstructed in 2013, so it is 88 years old, older 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 45 ft (13.6 m) long and 19 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesEvans Road
CrossesS Branch Baker River
Location60 Ft FR No Dorchester R
Coordinates43.8209, -71.92001
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating60.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length45 ft (13.6 m)
Longest span39 ft (11.9 m)
Deck width19 ft (5.8 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96 (2023)
Projected traffic142 by 2043
Trucks4%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
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 Evans Road over S Branch Baker River built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 2013.

What condition is Evans Road over S Branch Baker River 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 September 2023.

How much traffic does Evans Road over S Branch Baker River carry?

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

How long is Evans Road over S Branch Baker River?

The structure is 45 ft (13.6 m) long with a longest span of 39 ft (11.9 m) and a deck 19 ft wide.

Who owns Evans Road over S Branch Baker River?

It is owned by the City or Municipal Highway Agency.