US Bridges

IH 35 NB Conn 4 over Broadway ST

Fair

Bexar County, Texas · IH 35 & IH 37 Interchange · Structure no. 150150001710297

Built
1972
53 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
622 ft
3 main spans
Daily traffic
35,387
2022 count
Owner
State
State Highway Agency

About this bridge

IH 35 NB Conn 4 over Broadway ST is a steel continuous stringer/multi-beam or girder carrying IH 35 NB Conn 4 over Broadway ST in Bexar County, Texas. It was built in 1972, so it is 53 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 35,387 vehicles a day, roughly 12% of them trucks, projected to reach 26,690 by 2033. The structure is 622 ft (189.6 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 35 NB Conn 4
CrossesBroadway ST
LocationIH 35 & IH 37 Interchange
RouteInterstate 35
StateTexas
Coordinates29.43804, -98.47877
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+6 approach)
Design loadHS 20
Structure length622 ft (189.6 m)
Longest span104 ft (31.7 m)
Deck width26 ft (7.8 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,387 (2022)
Projected traffic26,690 by 2033
Trucks12%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 35 NB Conn 4 over Broadway ST built?

It was built in 1972, making it 53 years old in 2025.

What condition is IH 35 NB Conn 4 over Broadway ST 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 June 2024.

How much traffic does IH 35 NB Conn 4 over Broadway ST carry?

About 35,387 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is IH 35 NB Conn 4 over Broadway ST?

The structure is 622 ft (189.6 m) long with a longest span of 104 ft (31.7 m) and a deck 26 ft wide.

Who owns IH 35 NB Conn 4 over Broadway ST?

It is owned by the State Highway Agency.