US Bridges

Lee Hook Road over Lamprey River

Fair

Strafford County, New Hampshire · .6 MI SE JCT 155 · Structure no. 014501030007800

Built
1923
102 years old, rebuilt 1975
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
75 ft
2 main spans
Daily traffic
1,630
2023 count
Owner
State
State Highway Agency

About this bridge

Lee Hook Road over Lamprey River is a steel stringer/multi-beam or girder carrying Lee Hook Road over Lamprey River in Strafford County, New Hampshire. It was built in 1923 and reconstructed in 1975, so it is 102 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 6 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 1,630 vehicles a day, roughly 4% of them trucks, projected to reach 2,412 by 2043. The structure is 75 ft (22.9 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLee Hook Road
CrossesLamprey River
Location.6 MI SE JCT 155
RouteState Highway 0
CountyStrafford County
StateNew Hampshire
Coordinates43.11398, -71.0049
Functional classRural Major Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to 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 rating50 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length75 ft (22.9 m)
Longest span33 ft (10.1 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,630 (2023)
Projected traffic2,412 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Lee Hook Road over Lamprey River built?

It was built in 1923, making it 102 years old in 2025. It was reconstructed in 1975.

What condition is Lee Hook Road over Lamprey 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 July 2024.

How much traffic does Lee Hook Road over Lamprey River carry?

About 1,630 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Lee Hook Road over Lamprey River?

The structure is 75 ft (22.9 m) long with a longest span of 33 ft (10.1 m) and a deck 29 ft wide.

Who owns Lee Hook Road over Lamprey River?

It is owned by the State Highway Agency.