US Bridges

Lebrun Road over S Branch Baker River

Fair

Grafton County, New Hampshire · 1.1 MI Nh 118 · Structure no. 006401640014100

Built
1930
95 years old, rebuilt 2004
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
96
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lebrun Road over S Branch Baker River is a steel stringer/multi-beam or girder carrying Lebrun Road over S Branch Baker River in Grafton County, New Hampshire. It was built in 1930 and reconstructed in 2004, so it is 95 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 fair condition with a lowest component rating of 5 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 96 vehicles a day, projected to reach 142 by 2043. The structure is 28 ft (8.4 m) long and 16 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLebrun Road
CrossesS Branch Baker River
Location1.1 MI Nh 118
Coordinates43.79442, -71.91787
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating33.8 US tons
Inventory rating25.4 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length28 ft (8.4 m)
Longest span26 ft (7.9 m)
Deck width16 ft (5 m)
Roadway width9 ft (2.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96 (2023)
Projected traffic142 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Lebrun Road over S Branch Baker River built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 2004.

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

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

About 96 vehicles per day (2023 count).

How long is Lebrun Road over S Branch Baker River?

The structure is 28 ft (8.4 m) long with a longest span of 26 ft (7.9 m) and a deck 16 ft wide.

Who owns Lebrun Road over S Branch Baker River?

It is owned by the City or Municipal Highway Agency.