US Bridges

FM 517 over Hl & P Intake Canal

Fair

Galveston County, Texas · 1.45 MI NE of SH 146 · Structure no. 120850097802008

Built
1981
44 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
182 ft
6 main spans
Daily traffic
8,181
2016 count
Owner
State
State Highway Agency

About this bridge

FM 517 over Hl & P Intake Canal is a concrete stringer/multi-beam or girder carrying FM 517 over Hl & P Intake Canal in Galveston County, Texas. It was built in 1981, 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 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 8,181 vehicles a day, roughly 6% of them trucks, projected to reach 8,810 by 2033. The structure is 182 ft (55.5 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFM 517
CrossesHl & P Intake Canal
Location1.45 MI NE of SH 146
RouteState Highway 517
CountyGalveston County
StateTexas
Coordinates29.48558, -94.96865
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length182 ft (55.5 m)
Longest span30 ft (9.1 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,181 (2016)
Projected traffic8,810 by 2033
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$15,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 517 over Hl & P Intake Canal built?

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

What condition is FM 517 over Hl & P Intake Canal 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 August 2024.

How much traffic does FM 517 over Hl & P Intake Canal carry?

About 8,181 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is FM 517 over Hl & P Intake Canal?

The structure is 182 ft (55.5 m) long with a longest span of 30 ft (9.1 m) and a deck 35 ft wide.

Who owns FM 517 over Hl & P Intake Canal?

It is owned by the State Highway Agency.