US Bridges

FM 1518 over IH 10

Good

Bexar County, Texas · 4.42 MI E of Lp 1604 · Structure no. 150150002502332

Built
2023
2 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
200 ft
2 main spans
Daily traffic
12,560
2023 count
Owner
State
State Highway Agency

About this bridge

FM 1518 over IH 10 is a prestressed concrete stringer/multi-beam or girder carrying FM 1518 over IH 10 in Bexar County, Texas. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 12,560 vehicles a day, roughly 4% of them trucks, projected to reach 17,584 by 2042. The structure is 200 ft (61 m) long and 101 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFM 1518
CrossesIH 10
Location4.42 MI E of Lp 1604
RouteState Highway 1518
StateTexas
Coordinates29.48799, -98.22366
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable 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

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHL 93
Structure length200 ft (61 m)
Longest span100 ft (30.5 m)
Deck width101 ft (30.8 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,560 (2023)
Projected traffic17,584 by 2042
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes

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 FM 1518 over IH 10 built?

It was built in 2023, making it 2 years old in 2025.

What condition is FM 1518 over IH 10 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 June 2024.

How much traffic does FM 1518 over IH 10 carry?

About 12,560 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is FM 1518 over IH 10?

The structure is 200 ft (61 m) long with a longest span of 100 ft (30.5 m) and a deck 101 ft wide.

Who owns FM 1518 over IH 10?

It is owned by the State Highway Agency.