US Bridges

Tucson Lane over Tucson LN Trby Buchan B.

FairPosted for load

Caddo Parish, Louisiana · 1 Mile SE of LA 525 · Structure no. 040932209935141

Built
1984
41 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete
Length
38 ft
2 main spans
Daily traffic
39
2019 count
Owner
County
County Highway Agency

About this bridge

Tucson Lane over Tucson LN Trby Buchan B. is a concrete slab carrying Tucson Lane over Tucson LN Trby Buchan B. in Caddo Parish, Louisiana. It was built in 1984, so it is 41 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 39 vehicles a day, projected to reach 42 by 2039. The structure is 38 ft (11.6 m) long and 31 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesTucson Lane
CrossesTucson LN Trby Buchan B.
Location1 Mile SE of LA 525
RouteCounty Highway 0
CountyCaddo Parish
StateLouisiana
Coordinates32.34795, -93.85616
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating30.3 US tons
Inventory rating23.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39 (2019)
Projected traffic42 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$163,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Tucson Lane over Tucson LN Trby Buchan B. built?

It was built in 1984, making it 41 years old in 2025.

What condition is Tucson Lane over Tucson LN Trby Buchan B. 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 March 2023.

How much traffic does Tucson Lane over Tucson LN Trby Buchan B. carry?

About 39 vehicles per day (2019 count).

How long is Tucson Lane over Tucson LN Trby Buchan B.?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns Tucson Lane over Tucson LN Trby Buchan B.?

It is owned by the County Highway Agency.