US Bridges

Road M99 over Brush Creek

Good

Tulare County, California · 4.81 MI SE of Mso · Structure no. 46C0207

Built
1940
85 years old, rebuilt 1974
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
850
1978 count
Owner
County
County Highway Agency

About this bridge

Road M99 over Brush Creek is a steel stringer/multi-beam or girder carrying Road M99 over Brush Creek in Tulare County, California. It was built in 1940 and reconstructed in 1974, so it is 85 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 850 vehicles a day, roughly 10% of them trucks, projected to reach 2,173 by 2042. The structure is 31 ft (9.4 m) long and 42 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRoad M99
CrossesBrush Creek
Location4.81 MI SE of Mso
RouteCounty Highway 0
Coordinates35.96597, -118.47804
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.1 US tons
Inventory rating34.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic850 (1978)
Projected traffic2,173 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Road M99 over Brush Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1974.

What condition is Road M99 over Brush 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 July 2024.

How much traffic does Road M99 over Brush Creek carry?

About 850 vehicles per day (1978 count), of which roughly 10% are trucks.

How long is Road M99 over Brush Creek?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 42 ft wide.

Who owns Road M99 over Brush Creek?

It is owned by the County Highway Agency.