US Bridges

Milton ST over Tributary to Cross Lake

Good

Caddo Parish, Louisiana · 0.8 MI W of LA171 · Structure no. 040932292934761

Built
1951
74 years old, rebuilt 1993
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
150
1979 count
Owner
City
City or Municipal Highway Agency

About this bridge

Milton ST over Tributary to Cross Lake is a concrete culvert carrying Milton ST over Tributary to Cross Lake in Caddo Parish, Louisiana. It was built in 1951 and reconstructed in 1993, so it is 74 years old, older than the Louisiana average of 43 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 150 vehicles a day, projected to reach 165 by 1999. The structure is 30 ft (9.1 m) long and 90 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMilton ST
CrossesTributary to Cross Lake
Location0.8 MI W of LA171
RouteCounty Highway 0
Coordinates32.48592, -93.79434
Functional classUrban Local

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span13 ft (4 m)
Deck width90 ft (27.4 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (1979)
Projected traffic165 by 1999
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Milton ST over Tributary to Cross Lake built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1993.

What condition is Milton ST over Tributary to Cross Lake 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 April 2023.

How much traffic does Milton ST over Tributary to Cross Lake carry?

About 150 vehicles per day (1979 count).

How long is Milton ST over Tributary to Cross Lake?

The structure is 30 ft (9.1 m) long with a longest span of 13 ft (4 m) and a deck 90 ft wide.

Who owns Milton ST over Tributary to Cross Lake?

It is owned by the City or Municipal Highway Agency.