US Bridges

Daniels Road over Oliverian Brook

Fair

Grafton County, New Hampshire · 140 Ft FR Nh RTE 25 · Structure no. 011700620011800

Built
1978
47 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
57 ft
1 main span
Daily traffic
96
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Daniels Road over Oliverian Brook is a steel stringer/multi-beam or girder carrying Daniels Road over Oliverian Brook in Grafton County, New Hampshire. It was built in 1978, so it is 47 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 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, roughly 4% of them trucks, projected to reach 142 by 2043. The structure is 57 ft (17.4 m) long and 13 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesDaniels Road
CrossesOliverian Brook
Location140 Ft FR Nh RTE 25
CountyGrafton County
StateNew Hampshire
Coordinates44.03253, -72.03529
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.4 US tons
Inventory rating16.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length57 ft (17.4 m)
Longest span51 ft (15.5 m)
Deck width13 ft (4.1 m)
Roadway width13 ft (4 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 closed1.9 mi (3 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 Daniels Road over Oliverian Brook built?

It was built in 1978, making it 47 years old in 2025.

What condition is Daniels Road over Oliverian Brook 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 July 2024.

How much traffic does Daniels Road over Oliverian Brook carry?

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

How long is Daniels Road over Oliverian Brook?

The structure is 57 ft (17.4 m) long with a longest span of 51 ft (15.5 m) and a deck 13 ft wide.

Who owns Daniels Road over Oliverian Brook?

It is owned by the City or Municipal Highway Agency.