US Bridges

IH 35 NB over Cibolo Creek

Good

La Salle County, Texas · 1.0 MI N of FM 469 E · Structure no. 221420001708144

Built
1959
66 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
120 ft
3 main spans
Daily traffic
13,018
2019 count
Owner
State
State Highway Agency

About this bridge

IH 35 NB over Cibolo Creek is a concrete stringer/multi-beam or girder carrying IH 35 NB over Cibolo Creek in La Salle County, Texas. It was built in 1959, so it is 66 years old, older 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 13,018 vehicles a day, roughly 22% of them trucks, projected to reach 15,670 by 2033. The structure is 120 ft (36.6 m) long and 40 ft wide.

CarriesIH 35 NB
CrossesCibolo Creek
Location1.0 MI N of FM 469 E
RouteInterstate 35
StateTexas
Coordinates28.59181, -99.19331
Functional classRural 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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating41 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,018 (2019)
Projected traffic15,670 by 2033
Trucks22%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 35 NB over Cibolo Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is IH 35 NB over Cibolo Creek 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 November 2023.

How much traffic does IH 35 NB over Cibolo Creek carry?

About 13,018 vehicles per day (2019 count), of which roughly 22% are trucks.

How long is IH 35 NB over Cibolo Creek?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 40 ft wide.

Who owns IH 35 NB over Cibolo Creek?

It is owned by the State Highway Agency.