US Bridges

FM 2684 over Gum Slough

Fair

Liberty County, Texas · 1.5 MI S of US 90 · Structure no. 201460038804020

Built
1963
62 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
120 ft
3 main spans
Daily traffic
541
2024 count
Owner
State
State Highway Agency

About this bridge

FM 2684 over Gum Slough is a concrete stringer/multi-beam or girder carrying FM 2684 over Gum Slough in Liberty 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 5 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 541 vehicles a day, roughly 22% of them trucks, projected to reach 1,040 by 2033. The structure is 120 ft (36.6 m) long and 31 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesFM 2684
CrossesGum Slough
Location1.5 MI S of US 90
RouteState Highway 2684
CountyLiberty County
StateTexas
Coordinates30.03555, -94.79277
Functional classRural Major 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic541 (2024)
Projected traffic1,040 by 2033
Trucks22%
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

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 2684 over Gum Slough built?

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

What condition is FM 2684 over Gum Slough 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 2024.

How much traffic does FM 2684 over Gum Slough carry?

About 541 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is FM 2684 over Gum Slough?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns FM 2684 over Gum Slough?

It is owned by the State Highway Agency.