US Bridges

CR 146 over Birch Creek

PoorClosed to traffic

Burleson County, Texas · 0.7 MI W of FM 60 · Structure no. 170260AA0232001

Built
1940
85 years old
Condition
Poor
inspected February 2024
Type
Truss - Thru
Steel
Length
80 ft
1 main span
Daily traffic
59
2022 count
Owner
County
County Highway Agency

About this bridge

CR 146 over Birch Creek is a steel truss - thru carrying CR 146 over Birch Creek in Burleson County, Texas. It was built in 1940, so it is 85 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 59 vehicles a day, projected to reach 80 by 2028. The structure is 80 ft (24.4 m) long and 14 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCR 146
CrossesBirch Creek
Location0.7 MI W of FM 60
RouteCounty Highway 146
CountyBurleson County
StateTexas
Coordinates30.35749, -96.68248
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
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+1 approach)
Design loadUnknown
Structure length80 ft (24.4 m)
Longest span60 ft (18.3 m)
Deck width14 ft (4.3 m)
Roadway width12 ft (3.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59 (2022)
Projected traffic80 by 2028
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$5,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 146 over Birch Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is CR 146 over Birch 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 February 2024.

How much traffic does CR 146 over Birch Creek carry?

About 59 vehicles per day (2022 count).

How long is CR 146 over Birch Creek?

The structure is 80 ft (24.4 m) long with a longest span of 60 ft (18.3 m) and a deck 14 ft wide.

Who owns CR 146 over Birch Creek?

It is owned by the County Highway Agency.