US Bridges

S199-S101 Connectr over U.S. 101 (@ Pm R30.81)

Good

Del Norte County, California · 01-DN-199-T0.51L · Structure no. 01 0058F

Built
1971
54 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
366 ft
2 main spans
Daily traffic
1,800
2009 count
Owner
State
State Highway Agency

About this bridge

S199-S101 Connectr over U.S. 101 (@ Pm R30.81) is a prestressed concrete continuous box beam or girders - multiple carrying S199-S101 Connectr over U.S. 101 (@ Pm R30.81) in Del Norte County, California. It was built in 1971, so it is 54 years old, younger than the California average of 54.8 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 1,800 vehicles a day, roughly 10% of them trucks, projected to reach 2,856 by 2042. The structure is 366 ft (111.6 m) long and 42 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesS199-S101 Connectr
CrossesU.S. 101 (@ Pm R30.81)
Location01-DN-199-T0.51L
RouteU.S. Route 199
Coordinates41.80325, -124.14874
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating105.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length366 ft (111.6 m)
Longest span190 ft (57.9 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2009)
Projected traffic2,856 by 2042
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was S199-S101 Connectr over U.S. 101 (@ Pm R30.81) built?

It was built in 1971, making it 54 years old in 2025.

What condition is S199-S101 Connectr over U.S. 101 (@ Pm R30.81) 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 2024.

How much traffic does S199-S101 Connectr over U.S. 101 (@ Pm R30.81) carry?

About 1,800 vehicles per day (2009 count), of which roughly 10% are trucks.

How long is S199-S101 Connectr over U.S. 101 (@ Pm R30.81)?

The structure is 366 ft (111.6 m) long with a longest span of 190 ft (57.9 m) and a deck 42 ft wide.

Who owns S199-S101 Connectr over U.S. 101 (@ Pm R30.81)?

It is owned by the State Highway Agency.