US Bridges

IH 35 SB Ml over SH 218

Good

Bexar County, Texas · 0.50 MI S of Loop 1604 · Structure no. 150150001607172

Built
1986
39 years old
Condition
Good
inspected May 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
200 ft
1 main span
Daily traffic
58,935
2018 count
Owner
State
State Highway Agency

About this bridge

IH 35 SB Ml over SH 218 is a prestressed concrete stringer/multi-beam or girder carrying IH 35 SB Ml over SH 218 in Bexar County, Texas. It was built in 1986, so it is 39 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 58,935 vehicles a day, roughly 12% of them trucks, projected to reach 125,260 by 2033. The structure is 200 ft (61 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 35 SB Ml
CrossesSH 218
Location0.50 MI S of Loop 1604
RouteInterstate 35
StateTexas
Coordinates29.56166, -98.34062
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length200 ft (61 m)
Longest span90 ft (27.4 m)
Deck width70 ft (21.2 m)
Roadway width67 ft (20.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58,935 (2018)
Projected traffic125,260 by 2033
Trucks12%
Lanes on structure4
Traffic directionOne-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 35 SB Ml over SH 218 built?

It was built in 1986, making it 39 years old in 2025.

What condition is IH 35 SB Ml over SH 218 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 May 2022.

How much traffic does IH 35 SB Ml over SH 218 carry?

About 58,935 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is IH 35 SB Ml over SH 218?

The structure is 200 ft (61 m) long with a longest span of 90 ft (27.4 m) and a deck 70 ft wide.

Who owns IH 35 SB Ml over SH 218?

It is owned by the State Highway Agency.