US Bridges

IH 45 over FM 519

Fair

Galveston County, Texas · 2.10 MI SE of FM 1765 · Structure no. 120850050004231

Built
1980
45 years old
Condition
Fair
inspected September 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
320 ft
3 main spans
Daily traffic
40,876
2020 count
Owner
State
State Highway Agency

About this bridge

IH 45 over FM 519 is a prestressed concrete stringer/multi-beam or girder carrying IH 45 over FM 519 in Galveston County, Texas. It was built in 1980, so it is 45 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 40,876 vehicles a day, roughly 4% of them trucks, projected to reach 63,660 by 2033. The structure is 320 ft (97.5 m) long and 126 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIH 45
CrossesFM 519
Location2.10 MI SE of FM 1765
RouteInterstate 45
CountyGalveston County
StateTexas
Coordinates29.35771, -94.97961
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length320 ft (97.5 m)
Longest span110 ft (33.5 m)
Deck width126 ft (38.3 m)
Roadway width122 ft (37.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,876 (2020)
Projected traffic63,660 by 2033
Trucks4%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 45 over FM 519 built?

It was built in 1980, making it 45 years old in 2025.

What condition is IH 45 over FM 519 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 September 2022.

How much traffic does IH 45 over FM 519 carry?

About 40,876 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is IH 45 over FM 519?

The structure is 320 ft (97.5 m) long with a longest span of 110 ft (33.5 m) and a deck 126 ft wide.

Who owns IH 45 over FM 519?

It is owned by the State Highway Agency.