US Bridges

Town House Road over Geer Brook

Good

Sullivan County, New Hampshire · 3.75 Mi. from Jct. 12-A · Structure no. 005501240009400

Built
1981
44 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
641
2023 count
Owner
State
State Highway Agency

About this bridge

Town House Road over Geer Brook is a concrete slab carrying Town House Road over Geer Brook in Sullivan County, New Hampshire. It was built in 1981, so it is 44 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 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 641 vehicles a day, roughly 10% of them trucks, projected to reach 948 by 2043. The structure is 23 ft (7 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTown House Road
CrossesGeer Brook
Location3.75 Mi. from Jct. 12-A
RouteState Highway 0
CountySullivan County
StateNew Hampshire
Coordinates43.46314, -72.32546
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating29.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic641 (2023)
Projected traffic948 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Town House Road over Geer Brook built?

It was built in 1981, making it 44 years old in 2025.

What condition is Town House Road over Geer Brook 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 April 2024.

How much traffic does Town House Road over Geer Brook carry?

About 641 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Town House Road over Geer Brook?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 36 ft wide.

Who owns Town House Road over Geer Brook?

It is owned by the State Highway Agency.