US Bridges

Tonk Creek Lane over Tonk Creek

PoorClosed to traffic

McLennan County, Texas · 0.80 MI SW of FM 185 · Structure no. 091610AA0142002

Built
1973
52 years old
Condition
Poor
inspected April 2024
Type
Other
Prestressed Concrete
Length
91 ft
3 main spans
Daily traffic
127
2022 count
Owner
County
County Highway Agency

About this bridge

Tonk Creek Lane over Tonk Creek is a prestressed concrete other carrying Tonk Creek Lane over Tonk Creek in McLennan County, Texas. It was built in 1973, so it is 52 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 127 vehicles a day, projected to reach 75 by 2036. The structure is 91 ft (27.7 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesTonk Creek Lane
CrossesTonk Creek
Location0.80 MI SW of FM 185
RouteCounty Highway 450
CountyMcLennan County
StateTexas
Coordinates31.50472, -97.48324
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeOther
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadUnknown
Structure length91 ft (27.7 m)
Longest span30 ft (9.1 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic127 (2022)
Projected traffic75 by 2036
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$418,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Tonk Creek Lane over Tonk Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Tonk Creek Lane over Tonk Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does Tonk Creek Lane over Tonk Creek carry?

About 127 vehicles per day (2022 count).

How long is Tonk Creek Lane over Tonk Creek?

The structure is 91 ft (27.7 m) long with a longest span of 30 ft (9.1 m) and a deck 24 ft wide.

Who owns Tonk Creek Lane over Tonk Creek?

It is owned by the County Highway Agency.