US Bridges

IH 35W Sbml over N Chambers Creek

Fair

Johnson County, Texas · 2.5 MI S of US 67 · Structure no. 021270001404057

Built
1939
86 years old, rebuilt 1960
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
140 ft
1 main span
Daily traffic
21,969
2023 count
Owner
State
State Highway Agency

About this bridge

IH 35W Sbml over N Chambers Creek is a steel stringer/multi-beam or girder carrying IH 35W Sbml over N Chambers Creek in Johnson County, Texas. It was built in 1939 and reconstructed in 1960, so it is 86 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 5 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 21,969 vehicles a day, roughly 27% of them trucks, projected to reach 28,980 by 2040. The structure is 140 ft (42.7 m) long and 46 ft wide.

CarriesIH 35W Sbml
CrossesN Chambers Creek
Location2.5 MI S of US 67
RouteInterstate 35
StateTexas
Coordinates32.38538, -97.20742
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating57 US tons
Inventory rating34 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadH 15
Structure length140 ft (42.7 m)
Longest span60 ft (18.3 m)
Deck width46 ft (14 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,969 (2023)
Projected traffic28,980 by 2040
Trucks27%
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 35W Sbml over N Chambers Creek built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1960.

What condition is IH 35W Sbml over N Chambers Creek 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 October 2024.

How much traffic does IH 35W Sbml over N Chambers Creek carry?

About 21,969 vehicles per day (2023 count), of which roughly 27% are trucks.

How long is IH 35W Sbml over N Chambers Creek?

The structure is 140 ft (42.7 m) long with a longest span of 60 ft (18.3 m) and a deck 46 ft wide.

Who owns IH 35W Sbml over N Chambers Creek?

It is owned by the State Highway Agency.