US Bridges

Chisholm Trail over Tonk Creek

Good

McLennan County, Texas · 0.45 MI N of 13th ST · Structure no. 091610AA0681002

Built
2018
7 years old
Condition
Good
inspected March 2024
Type
Other
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
65
2016 count
Owner
County
County Highway Agency

About this bridge

Chisholm Trail over Tonk Creek is a prestressed concrete other carrying Chisholm Trail over Tonk Creek in McLennan County, Texas. It was built in 2018, so it is 7 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 65 vehicles a day, projected to reach 170 by 2036. The structure is 50 ft (15.2 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesChisholm Trail
CrossesTonk Creek
Location0.45 MI N of 13th ST
RouteCounty Highway 0
CountyMcLennan County
StateTexas
Coordinates31.54156, -97.43949
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeOther
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65 (2016)
Projected traffic170 by 2036
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Chisholm Trail over Tonk Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is Chisholm Trail over Tonk 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 March 2024.

How much traffic does Chisholm Trail over Tonk Creek carry?

About 65 vehicles per day (2016 count).

How long is Chisholm Trail over Tonk Creek?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 26 ft wide.

Who owns Chisholm Trail over Tonk Creek?

It is owned by the County Highway Agency.