US Bridges

State Route 49 over Miami Creek

Good

Madera County, California · 06-MAD-049-3.85 · Structure no. 41 0073

Built
1948
77 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
70 ft
3 main spans
Daily traffic
8,900
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 49 over Miami Creek is a concrete continuous stringer/multi-beam or girder carrying State Route 49 over Miami Creek in Madera County, California. It was built in 1948, so it is 77 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 8,900 vehicles a day, roughly 8% of them trucks, projected to reach 15,098 by 2042. The structure is 70 ft (21.3 m) long and 26 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

CarriesState Route 49
CrossesMiami Creek
Location06-MAD-049-3.85
RouteState Highway 49
Coordinates37.34742, -119.71763
Functional classRural Minor 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating70 US tons
Inventory rating40.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length70 ft (21.3 m)
Longest span30 ft (9.1 m)
Deck width26 ft (8 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,900 (2009)
Projected traffic15,098 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 49 over Miami Creek built?

It was built in 1948, making it 77 years old in 2025.

What condition is State Route 49 over Miami 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 November 2024.

How much traffic does State Route 49 over Miami Creek carry?

About 8,900 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is State Route 49 over Miami Creek?

The structure is 70 ft (21.3 m) long with a longest span of 30 ft (9.1 m) and a deck 26 ft wide.

Who owns State Route 49 over Miami Creek?

It is owned by the State Highway Agency.