US Bridges

FM 88 over Main Floodway

Fair

Hidalgo County, Texas · 2.00 MI N of US 281 · Structure no. 211090069804004

Built
1963
62 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
3,181 ft
78 main spans
Daily traffic
3,615
2024 count
Owner
State
State Highway Agency

About this bridge

FM 88 over Main Floodway is a concrete stringer/multi-beam or girder carrying FM 88 over Main Floodway in Hidalgo County, Texas. It was built in 1963, so it is 62 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 3,615 vehicles a day, roughly 27% of them trucks, projected to reach 2,630 by 2033. The structure is 3,181 ft (969.6 m) long and 33 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesFM 88
CrossesMain Floodway
Location2.00 MI N of US 281
RouteState Highway 88
CountyHidalgo County
StateTexas
Coordinates26.11334, -97.99355
Functional classUrban Collector

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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans78 (+2 approach)
Design loadOther
Structure length3,181 ft (969.6 m)
Longest span40 ft (12.2 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,615 (2024)
Projected traffic2,630 by 2033
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

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 FM 88 over Main Floodway built?

It was built in 1963, making it 62 years old in 2025.

What condition is FM 88 over Main 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 May 2023.

How much traffic does FM 88 over Main Floodway carry?

About 3,615 vehicles per day (2024 count), of which roughly 27% are trucks.

How long is FM 88 over Main Floodway?

The structure is 3,181 ft (969.6 m) long with a longest span of 40 ft (12.2 m) and a deck 33 ft wide.

Who owns FM 88 over Main Floodway?

It is owned by the State Highway Agency.