US Bridges

SP 115 SB over Main Fldwy Pilot Channel

Fair

Hidalgo County, Texas · 1.35 MI S of US 83 · Structure no. 211090180401003

Built
1968
57 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
110 ft
4 main spans
Daily traffic
12,714
2024 count
Owner
State
State Highway Agency

About this bridge

SP 115 SB over Main Fldwy Pilot Channel is a concrete continuous slab carrying SP 115 SB over Main Fldwy Pilot Channel in Hidalgo County, Texas. It was built in 1968, so it is 57 years old, older 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 12,714 vehicles a day, roughly 3% of them trucks, projected to reach 18,300 by 2031. The structure is 110 ft (33.5 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSP 115 SB
CrossesMain Fldwy Pilot Channel
Location1.35 MI S of US 83
RouteState Highway 115
CountyHidalgo County
StateTexas
Coordinates26.17341, -98.2506
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadOther
Structure length110 ft (33.5 m)
Longest span30 ft (9.1 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,714 (2024)
Projected traffic18,300 by 2031
Trucks3%
Lanes on structure2
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SP 115 SB over Main Fldwy Pilot Channel built?

It was built in 1968, making it 57 years old in 2025.

What condition is SP 115 SB over Main Fldwy Pilot 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 May 2023.

How much traffic does SP 115 SB over Main Fldwy Pilot Channel carry?

About 12,714 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is SP 115 SB over Main Fldwy Pilot Channel?

The structure is 110 ft (33.5 m) long with a longest span of 30 ft (9.1 m) and a deck 42 ft wide.

Who owns SP 115 SB over Main Fldwy Pilot Channel?

It is owned by the State Highway Agency.