US Bridges

BIA RTE 407 over Unnamed Stream

Good

New London County, Connecticut · 4.9KM NE Leyard Ct · Structure no. 0000S50020B4072

Built
1993
32 years old
Condition
Good
inspected September 2021
Type
Slab
Wood or Timber
Length
23 ft
1 main span
Daily traffic
1,000
2020 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

BIA RTE 407 over Unnamed Stream is a wood or timber slab carrying BIA RTE 407 over Unnamed Stream in New London County, Connecticut. It was built in 1993, so it is 32 years old, younger than the Connecticut average of 56.7 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 1,000 vehicles a day, roughly 5% of them trucks, projected to reach 1,117 by 2040. The structure is 23 ft (6.9 m) long and 38 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesBIA RTE 407
CrossesUnnamed Stream
Location4.9KM NE Leyard Ct
RouteFederal Lands Road 407
CountyNew London County
StateConnecticut
Coordinates41.46281, -71.97008
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2021
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating35.5 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length23 ft (6.9 m)
Longest span21 ft (6.3 m)
Deck width38 ft (11.7 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2020)
Projected traffic1,117 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Indian Affairs
Maintained byBureau of Indian Affairs
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 BIA RTE 407 over Unnamed Stream built?

It was built in 1993, making it 32 years old in 2025.

What condition is BIA RTE 407 over Unnamed Stream 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 September 2021.

How much traffic does BIA RTE 407 over Unnamed Stream carry?

About 1,000 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is BIA RTE 407 over Unnamed Stream?

The structure is 23 ft (6.9 m) long with a longest span of 21 ft (6.3 m) and a deck 38 ft wide.

Who owns BIA RTE 407 over Unnamed Stream?

It is owned by the Bureau of Indian Affairs.