US Bridges

C3018 FH10 over So. Br. Middlebury Riv

Good

Addison County, Vermont · 0.1 MI to JCT W VT125 · Structure no. 100116001701161

Built
1940
85 years old, rebuilt 2010
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
220
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

C3018 FH10 over So. Br. Middlebury Riv is a steel stringer/multi-beam or girder carrying C3018 FH10 over So. Br. Middlebury Riv in Addison County, Vermont. It was built in 1940 and reconstructed in 2010, 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 good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 220 vehicles a day, roughly 2% of them trucks, projected to reach 231 by 2029. The structure is 60 ft (18.3 m) long and 23 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

Location

Open in Google Maps
CarriesC3018 FH10
CrossesSo. Br. Middlebury Riv
Location0.1 MI to JCT W VT125
CountyAddison County
StateVermont
Coordinates43.96357, -73.02939
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating65 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length60 ft (18.3 m)
Longest span58 ft (17.7 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2019)
Projected traffic231 by 2029
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was C3018 FH10 over So. Br. Middlebury Riv built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2010.

What condition is C3018 FH10 over So. Br. Middlebury Riv 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 August 2024.

How much traffic does C3018 FH10 over So. Br. Middlebury Riv carry?

About 220 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is C3018 FH10 over So. Br. Middlebury Riv?

The structure is 60 ft (18.3 m) long with a longest span of 58 ft (17.7 m) and a deck 23 ft wide.

Who owns C3018 FH10 over So. Br. Middlebury Riv?

It is owned by the Town or Township Highway Agency.