US Bridges

Two Mile Road over Drainage Channel

Fair

San Bernardino County, California · 1.35 MI W/O Sunrise Rd. · Structure no. 54C0758

Built
2013
12 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
30 ft
5 main spans
Daily traffic
1,765
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Two Mile Road over Drainage Channel is a concrete culvert carrying Two Mile Road over Drainage Channel in San Bernardino County, California. It was built in 2013, so it is 12 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,765 vehicles a day, roughly 1% of them trucks, projected to reach 2,000 by 2040. The structure is 30 ft (9 m) long and 58 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTwo Mile Road
CrossesDrainage Channel
Location1.35 MI W/O Sunrise Rd.
RouteCity Street 0
CountySan Bernardino County
StateCalifornia
Coordinates34.14955, -116.1314
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum 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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length30 ft (9 m)
Longest span5 ft (1.6 m)
Deck width58 ft (17.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,765 (2016)
Projected traffic2,000 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Two Mile Road over Drainage Channel built?

It was built in 2013, making it 12 years old in 2025.

What condition is Two Mile Road over Drainage Channel in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does Two Mile Road over Drainage Channel carry?

About 1,765 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Two Mile Road over Drainage Channel?

The structure is 30 ft (9 m) long with a longest span of 5 ft (1.6 m) and a deck 58 ft wide.

Who owns Two Mile Road over Drainage Channel?

It is owned by the City or Municipal Highway Agency.