US Bridges

CR 604 over IH 35W

Good

Johnson County, Texas · 1.2 MI N of US 67 · Structure no. 021270001403193

Built
1963
62 years old, rebuilt 2007
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
238 ft
4 main spans
Daily traffic
55,991
2023 count
Owner
State
State Highway Agency

About this bridge

CR 604 over IH 35W is a steel continuous stringer/multi-beam or girder carrying CR 604 over IH 35W in Johnson County, Texas. It was built in 1963 and reconstructed in 2007, so it is 62 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 55,991 vehicles a day, roughly 3% of them trucks, projected to reach 1,970 by 2040. The structure is 238 ft (72.5 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCR 604
CrossesIH 35W
Location1.2 MI N of US 67
RouteCounty Highway 604
CountyJohnson County
StateTexas
Coordinates32.42996, -97.23814
Functional classRural Local

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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment7: Better than present minimum criteria
Operating rating41 US tons
Inventory rating24 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length238 ft (72.5 m)
Longest span60 ft (18.3 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55,991 (2023)
Projected traffic1,970 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$642,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was CR 604 over IH 35W built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2007.

What condition is CR 604 over IH 35W 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 October 2024.

How much traffic does CR 604 over IH 35W carry?

About 55,991 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is CR 604 over IH 35W?

The structure is 238 ft (72.5 m) long with a longest span of 60 ft (18.3 m) and a deck 30 ft wide.

Who owns CR 604 over IH 35W?

It is owned by the State Highway Agency.