US Bridges

State Route 38 over Grout Creek

Good

San Bernardino County, California · 08-SBD-038-55.99 · Structure no. 54 0411

Built
1938
87 years old
Condition
Good
inspected December 2024
Type
Culvert
Steel
Length
44 ft
3 main spans
Daily traffic
2,300
2022 count
Owner
State
State Highway Agency

About this bridge

State Route 38 over Grout Creek is a steel culvert carrying State Route 38 over Grout Creek in San Bernardino County, California. It was built in 1938, so it is 87 years old, older 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 2,300 vehicles a day, roughly 11% of them trucks, projected to reach 3,000 by 2042. The structure is 44 ft (13.4 m) long and 39 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesState Route 38
CrossesGrout Creek
Location08-SBD-038-55.99
RouteState Highway 38
Coordinates34.26933, -116.94802
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadUnknown
Structure length44 ft (13.4 m)
Longest span13 ft (4 m)
Deck width39 ft (12 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2022)
Projected traffic3,000 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible 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 38 over Grout Creek built?

It was built in 1938, making it 87 years old in 2025.

What condition is State Route 38 over Grout Creek 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 2024.

How much traffic does State Route 38 over Grout Creek carry?

About 2,300 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is State Route 38 over Grout Creek?

The structure is 44 ft (13.4 m) long with a longest span of 13 ft (4 m) and a deck 39 ft wide.

Who owns State Route 38 over Grout Creek?

It is owned by the State Highway Agency.