US Bridges

RD 13S58 over Mill Flat Creek

Fair

Tulare County, California · No Data Entered · Structure no. 051351000001025

Built
1957
68 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
8
1989 count
Owner
Federal
U.S. Forest Service

About this bridge

RD 13S58 over Mill Flat Creek is a steel stringer/multi-beam or girder carrying RD 13S58 over Mill Flat Creek in Tulare County, California. It was built in 1957, so it is 68 years old, older 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 8 vehicles a day, projected to reach 12 by 2045. The structure is 43 ft (13 m) long and 16 ft wide.

CarriesRD 13S58
CrossesMill Flat Creek
LocationNo Data Entered
RouteFederal Lands Road 13S58
Coordinates36.74505, -119.00413
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation*: *
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating—
Inventory rating—

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length43 ft (13 m)
Longest span41 ft (12.6 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8 (1989)
Projected traffic12 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was RD 13S58 over Mill Flat Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is RD 13S58 over Mill Flat Creek 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 2024.

How much traffic does RD 13S58 over Mill Flat Creek carry?

About 8 vehicles per day (1989 count).

How long is RD 13S58 over Mill Flat Creek?

The structure is 43 ft (13 m) long with a longest span of 41 ft (12.6 m) and a deck 16 ft wide.

Who owns RD 13S58 over Mill Flat Creek?

It is owned by the U.S. Forest Service.