US Bridges

Firetower RD over Mile Branch

Fair

Tangipahoa Parish, Louisiana · 3.3 MI N/E Jct. 445 & 22 · Structure no. 625330275901671

Built
1999
26 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
44 ft
1 main span
Daily traffic
1,844
2022 count
Owner
County
County Highway Agency

About this bridge

Firetower RD over Mile Branch is a steel stringer/multi-beam or girder carrying Firetower RD over Mile Branch in Tangipahoa Parish, Louisiana. It was built in 1999, so it is 26 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 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 1,844 vehicles a day, projected to reach 2,028 by 2042. The structure is 44 ft (13.4 m) long and 28 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesFiretower RD
CrossesMile Branch
Location3.3 MI N/E Jct. 445 & 22
RouteCounty Highway 0
CountyTangipahoa Parish
StateLouisiana
Coordinates30.45811, -90.27775
Functional classRural Minor 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.9 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span44 ft (13.4 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,844 (2022)
Projected traffic2,028 by 2042
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Firetower RD over Mile Branch built?

It was built in 1999, making it 26 years old in 2025.

What condition is Firetower RD over Mile Branch 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 April 2023.

How much traffic does Firetower RD over Mile Branch carry?

About 1,844 vehicles per day (2022 count).

How long is Firetower RD over Mile Branch?

The structure is 44 ft (13.4 m) long with a longest span of 44 ft (13.4 m) and a deck 28 ft wide.

Who owns Firetower RD over Mile Branch?

It is owned by the County Highway Agency.