US Bridges

Vt 00009 Ml over Ames Hill Brook

Fair

Windham County, Vermont · 1.5 MI W Jct. I91 Ex. 2 · Structure no. 200010005213022

Built
1940
85 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete
Length
25 ft
1 main span
Daily traffic
10,700
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Vt 00009 Ml over Ames Hill Brook is a concrete slab carrying Vt 00009 Ml over Ames Hill Brook in Windham County, Vermont. It was built in 1940, so it is 85 years old, older than the Vermont average of 60.8 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 10,700 vehicles a day, roughly 7% of them trucks, projected to reach 11,235 by 2028. The structure is 25 ft (7.6 m) long and 40 ft wide. If it were closed, the detour would be 29.2 mi (47 km).

CarriesVt 00009 Ml
CrossesAmes Hill Brook
Location1.5 MI W Jct. I91 Ex. 2
RouteState Highway 9
StateVermont
Coordinates42.85728, -72.60291
Functional classUrban Other Principal Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width40 ft (12.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,700 (2018)
Projected traffic11,235 by 2028
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed29.2 mi (47 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$403,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Vt 00009 Ml over Ames Hill Brook built?

It was built in 1940, making it 85 years old in 2025.

What condition is Vt 00009 Ml over Ames Hill 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 June 2023.

How much traffic does Vt 00009 Ml over Ames Hill Brook carry?

About 10,700 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is Vt 00009 Ml over Ames Hill Brook?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 40 ft wide.

Who owns Vt 00009 Ml over Ames Hill Brook?

It is owned by the City or Municipal Highway Agency.