US Bridges

Mangrove Ave over Lindo Channel

Fair

Butte County, California · Btwn E 10th & Cohasset · Structure no. 12C0273

Built
1963
62 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete Continuous
Length
154 ft
3 main spans
Daily traffic
22,000
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mangrove Ave over Lindo Channel is a concrete continuous tee beam carrying Mangrove Ave over Lindo Channel in Butte County, California. It was built in 1963, so it is 62 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 22,000 vehicles a day, roughly 5% of them trucks, projected to reach 22,545 by 2046. The structure is 154 ft (46.9 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMangrove Ave
CrossesLindo Channel
LocationBtwn E 10th & Cohasset
RouteCity Street 0
Coordinates39.75075, -121.8445
Functional classUrban Other Principal Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating33.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length154 ft (46.9 m)
Longest span60 ft (18.3 m)
Deck width64 ft (19.5 m)
Roadway width56 ft (17 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,000 (2015)
Projected traffic22,545 by 2046
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Mangrove Ave over Lindo Channel built?

It was built in 1963, making it 62 years old in 2025.

What condition is Mangrove Ave over Lindo 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 October 2024.

How much traffic does Mangrove Ave over Lindo Channel carry?

About 22,000 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Mangrove Ave over Lindo Channel?

The structure is 154 ft (46.9 m) long with a longest span of 60 ft (18.3 m) and a deck 64 ft wide.

Who owns Mangrove Ave over Lindo Channel?

It is owned by the City or Municipal Highway Agency.