US Bridges

State Route 111 over New River

Good

Imperial County, California · 11-IMP-111-23.91 · Structure no. 58 0120

Built
1978
47 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete Continuous
Length
137 ft
5 main spans
Daily traffic
5,800
2018 count
Owner
State
State Highway Agency

About this bridge

State Route 111 over New River is a concrete continuous slab carrying State Route 111 over New River in Imperial County, California. It was built in 1978, so it is 47 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 5,800 vehicles a day, roughly 18% of them trucks, projected to reach 12,613 by 2041. The structure is 137 ft (41.7 m) long and 44 ft wide.

CarriesState Route 111
CrossesNew River
Location11-IMP-111-23.91
RouteState Highway 111
Coordinates33.00461, -115.52653
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.9 US tons
Inventory rating59.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length137 ft (41.7 m)
Longest span30 ft (9.1 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,800 (2018)
Projected traffic12,613 by 2041
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 111 over New River built?

It was built in 1978, making it 47 years old in 2025.

What condition is State Route 111 over New River 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 October 2024.

How much traffic does State Route 111 over New River carry?

About 5,800 vehicles per day (2018 count), of which roughly 18% are trucks.

How long is State Route 111 over New River?

The structure is 137 ft (41.7 m) long with a longest span of 30 ft (9.1 m) and a deck 44 ft wide.

Who owns State Route 111 over New River?

It is owned by the State Highway Agency.