US Bridges

FM 519 over Drainage Ditch

Good

Galveston County, Texas · 0.40 MI E of IH 45 · Structure no. 120850097901007

Built
1983
42 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
37 ft
4 main spans
Daily traffic
7,753
2020 count
Owner
State
State Highway Agency

About this bridge

FM 519 over Drainage Ditch is a concrete culvert carrying FM 519 over Drainage Ditch in Galveston County, Texas. It was built in 1983, so it is 42 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,753 vehicles a day, roughly 4% of them trucks, projected to reach 12,460 by 2033. The structure is 37 ft (11.3 m) long and 79 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFM 519
CrossesDrainage Ditch
Location0.40 MI E of IH 45
RouteState Highway 519
StateTexas
Coordinates29.35808, -94.97369
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span8 ft (2.4 m)
Deck width79 ft (24.1 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,753 (2020)
Projected traffic12,460 by 2033
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$5,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 519 over Drainage Ditch built?

It was built in 1983, making it 42 years old in 2025.

What condition is FM 519 over Drainage Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does FM 519 over Drainage Ditch carry?

About 7,753 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is FM 519 over Drainage Ditch?

The structure is 37 ft (11.3 m) long with a longest span of 8 ft (2.4 m) and a deck 79 ft wide.

Who owns FM 519 over Drainage Ditch?

It is owned by the State Highway Agency.