US Bridges

IH 35 NB over San Pedro Creek & RR

Fair

Bexar County, Texas · 0.55 MI N of IH 10 · Structure no. 150150001710353

Built
1986
39 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,816 ft
13 main spans
Daily traffic
173,066
2022 count
Owner
State
State Highway Agency

About this bridge

IH 35 NB over San Pedro Creek & RR is a prestressed concrete stringer/multi-beam or girder carrying IH 35 NB over San Pedro Creek & RR 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 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 173,066 vehicles a day, roughly 9% of them trucks, projected to reach 242,292 by 2042. The structure is 1,816 ft (553.5 m) long and 72 ft wide.

CarriesIH 35 NB
CrossesSan Pedro Creek & RR
Location0.55 MI N of IH 10
RouteInterstate 35
StateTexas
Coordinates29.40503, -98.51064
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: 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 spans13 (+10 approach)
Design loadHS 20
Structure length1,816 ft (553.5 m)
Longest span100 ft (30.5 m)
Deck width72 ft (21.9 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic173,066 (2022)
Projected traffic242,292 by 2042
Trucks9%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed—
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 35 NB over San Pedro Creek & RR built?

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

What condition is IH 35 NB over San Pedro Creek & RR 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 May 2024.

How much traffic does IH 35 NB over San Pedro Creek & RR carry?

About 173,066 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is IH 35 NB over San Pedro Creek & RR?

The structure is 1,816 ft (553.5 m) long with a longest span of 100 ft (30.5 m) and a deck 72 ft wide.

Who owns IH 35 NB over San Pedro Creek & RR?

It is owned by the State Highway Agency.