US Bridges

SP 115 NB over Hackney Lake Floodway

Fair

Hidalgo County, Texas · 0.50 MI S of FM 1016 · Structure no. 211090180401006

Built
1981
44 years old, rebuilt 2009
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
2,058 ft
81 main spans
Daily traffic
16,275
2024 count
Owner
State
State Highway Agency

About this bridge

SP 115 NB over Hackney Lake Floodway is a concrete continuous slab carrying SP 115 NB over Hackney Lake Floodway in Hidalgo County, Texas. It was built in 1981 and reconstructed in 2009, so it is 44 years old, younger than the Texas average of 44.4 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 16,275 vehicles a day, roughly 1% of them trucks, projected to reach 13,240 by 2033. The structure is 2,058 ft (627.3 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSP 115 NB
CrossesHackney Lake Floodway
Location0.50 MI S of FM 1016
RouteState Highway 115
CountyHidalgo County
StateTexas
Coordinates26.14355, -98.25476
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating32 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans81 (+1 approach)
Design loadHS 20
Structure length2,058 ft (627.3 m)
Longest span30 ft (9.1 m)
Deck width58 ft (17.7 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,275 (2024)
Projected traffic13,240 by 2033
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 SP 115 NB over Hackney Lake Floodway built?

It was built in 1981, making it 44 years old in 2025. It was reconstructed in 2009.

What condition is SP 115 NB over Hackney Lake Floodway 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 SP 115 NB over Hackney Lake Floodway carry?

About 16,275 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SP 115 NB over Hackney Lake Floodway?

The structure is 2,058 ft (627.3 m) long with a longest span of 30 ft (9.1 m) and a deck 58 ft wide.

Who owns SP 115 NB over Hackney Lake Floodway?

It is owned by the State Highway Agency.