US Bridges

FM 624 over Quintana Creek

Fair

La Salle County, Texas · 2.20 MI W of Mcmullen C/L · Structure no. 221420237301019

Built
1963
62 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
160 ft
5 main spans
Daily traffic
1,719
2019 count
Owner
State
State Highway Agency

About this bridge

FM 624 over Quintana Creek is a concrete stringer/multi-beam or girder carrying FM 624 over Quintana Creek in La Salle 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 1,719 vehicles a day, roughly 40% of them trucks, projected to reach 1,390 by 2036. The structure is 160 ft (48.8 m) long and 31 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

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CarriesFM 624
CrossesQuintana Creek
Location2.20 MI W of Mcmullen C/L
RouteState Highway 624
CountyLa Salle County
StateTexas
Coordinates28.20219, -98.83819
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 protection7 GoodSome minor problems.
Last inspectionNovember 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length160 ft (48.8 m)
Longest span32 ft (9.8 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,719 (2019)
Projected traffic1,390 by 2036
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 624 over Quintana Creek built?

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

What condition is FM 624 over Quintana Creek 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 November 2023.

How much traffic does FM 624 over Quintana Creek carry?

About 1,719 vehicles per day (2019 count), of which roughly 40% are trucks.

How long is FM 624 over Quintana Creek?

The structure is 160 ft (48.8 m) long with a longest span of 32 ft (9.8 m) and a deck 31 ft wide.

Who owns FM 624 over Quintana Creek?

It is owned by the State Highway Agency.