US Bridges

Blair RD over Hog Branch Tributary

Good

Denton County, Texas · 1.35 MI E of FM 156 · Structure no. 180610AA0473003

Built
2006
19 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
326
2019 count
Owner
County
County Highway Agency

About this bridge

Blair RD over Hog Branch Tributary is a concrete culvert carrying Blair RD over Hog Branch Tributary in Denton County, Texas. It was built in 2006, so it is 19 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 326 vehicles a day, roughly 2% of them trucks, projected to reach 250 by 2033. The structure is 32 ft (9.8 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesBlair RD
CrossesHog Branch Tributary
Location1.35 MI E of FM 156
RouteCounty Highway 0
StateTexas
Coordinates33.15056, -97.26667
Functional classRural Minor Collector

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 inspectionFebruary 2023
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 typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic326 (2019)
Projected traffic250 by 2033
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Blair RD over Hog Branch Tributary built?

It was built in 2006, making it 19 years old in 2025.

What condition is Blair RD over Hog Branch Tributary 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 February 2023.

How much traffic does Blair RD over Hog Branch Tributary carry?

About 326 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Blair RD over Hog Branch Tributary?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 30 ft wide.

Who owns Blair RD over Hog Branch Tributary?

It is owned by the County Highway Agency.