US Bridges

E180 - N99 over State Route 99

Good

Fresno County, California · 06-FRE-180-R56.28-FRE · Structure no. 42 0299G

Built
2003
22 years old
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
307 ft
2 main spans
Daily traffic
6,600
1999 count
Owner
State
State Highway Agency

About this bridge

E180 - N99 over State Route 99 is a prestressed concrete continuous box beam or girders - multiple carrying E180 - N99 over State Route 99 in Fresno County, California. It was built in 2003, so it is 22 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 6,600 vehicles a day, roughly 6% of them trucks, projected to reach 16,462 by 2042. The structure is 307 ft (93.5 m) long and 30 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesE180 - N99
CrossesState Route 99
Location06-FRE-180-R56.28-FRE
RouteState Highway 180
Coordinates36.7405, -119.81467
Functional classUrban Other Principal 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.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.2 US tons
Inventory rating34.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length307 ft (93.5 m)
Longest span157 ft (47.9 m)
Deck width30 ft (9.2 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,600 (1999)
Projected traffic16,462 by 2042
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 E180 - N99 over State Route 99 built?

It was built in 2003, making it 22 years old in 2025.

What condition is E180 - N99 over State Route 99 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 December 2023.

How much traffic does E180 - N99 over State Route 99 carry?

About 6,600 vehicles per day (1999 count), of which roughly 6% are trucks.

How long is E180 - N99 over State Route 99?

The structure is 307 ft (93.5 m) long with a longest span of 157 ft (47.9 m) and a deck 30 ft wide.

Who owns E180 - N99 over State Route 99?

It is owned by the State Highway Agency.