US Bridges

Chisholm TR (ntta) over Trib. to Rock Creek

Good

Johnson County, Texas · 0.3 Mi. N. of CR 913 · Structure no. 021270050405526

Built
2014
11 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
87 ft
8 main spans
Daily traffic
14,426
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Chisholm TR (ntta) over Trib. to Rock Creek is a concrete culvert carrying Chisholm TR (ntta) over Trib. to Rock Creek in Johnson County, Texas. It was built in 2014, so it is 11 years old, younger 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 14,426 vehicles a day, roughly 1% of them trucks, projected to reach 5,100 by 2034. The structure is 87 ft (26.5 m) long and 237 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesChisholm TR (ntta)
CrossesTrib. to Rock Creek
Location0.3 Mi. N. of CR 913
CountyJohnson County
StateTexas
Coordinates32.49113, -97.42365
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadHL 93
Structure length87 ft (26.5 m)
Longest span7 ft (2.1 m)
Deck width237 ft (72.1 m)
Roadway width97 ft (29.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,426 (2023)
Projected traffic5,100 by 2034
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a toll road
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Chisholm TR (ntta) over Trib. to Rock Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is Chisholm TR (ntta) over Trib. to Rock 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 June 2024.

How much traffic does Chisholm TR (ntta) over Trib. to Rock Creek carry?

About 14,426 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Chisholm TR (ntta) over Trib. to Rock Creek?

The structure is 87 ft (26.5 m) long with a longest span of 7 ft (2.1 m) and a deck 237 ft wide.

Who owns Chisholm TR (ntta) over Trib. to Rock Creek?

It is owned by the State Toll Authority.