US Bridges

On-Orbit Drive over Gardner-Joe English Stre

PoorPosted for load

Hillsborough County, New Hampshire · 1.2 Miles from Main Gate. · Structure no. AFNHRNGF00243

Built
1959
66 years old
Condition
Poor
inspected September 2024
Type
Culvert
Steel
Length
28 ft
3 main spans
Daily traffic
10
2014 count
Owner
Federal
Air Force

About this bridge

On-Orbit Drive over Gardner-Joe English Stre is a steel culvert carrying On-Orbit Drive over Gardner-Joe English Stre in Hillsborough County, New Hampshire. It was built in 1959, so it is 66 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, projected to reach 15 by 2034. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesOn-Orbit Drive
CrossesGardner-Joe English Stre
Location1.2 Miles from Main Gate.
RouteFederal Lands Road 0
CountyHillsborough County
StateNew Hampshire
Coordinates42.93847, -71.64092
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating12 US tons
Inventory rating6.9 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2014)
Projected traffic15 by 2034
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerAir Force
Maintained byAir Force
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$173,000
NavigationNo navigation control on waterway

Frequently asked questions

When was On-Orbit Drive over Gardner-Joe English Stre built?

It was built in 1959, making it 66 years old in 2025.

What condition is On-Orbit Drive over Gardner-Joe English Stre in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does On-Orbit Drive over Gardner-Joe English Stre carry?

About 10 vehicles per day (2014 count).

How long is On-Orbit Drive over Gardner-Joe English Stre?

The structure is 28 ft (8.5 m) long with a longest span of 6 ft (1.8 m).

Who owns On-Orbit Drive over Gardner-Joe English Stre?

It is owned by the Air Force.