US Bridges

Blair RD over Hog Branch Tributary

Good

Denton County, Texas · 0.70 MI E of FM 156 · Structure no. 180610AA0473002

Built
1990
35 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
23 ft
3 main spans
Daily traffic
383
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 1990, so it is 35 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 383 vehicles a day, roughly 5% of them trucks, projected to reach 356 by 2033. The structure is 23 ft (7 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesBlair RD
CrossesHog Branch Tributary
Location0.70 MI E of FM 156
RouteCounty Highway 0
CountyDenton County
StateTexas
Coordinates33.15055, -97.27737
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to 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 rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length23 ft (7 m)
Longest span6 ft (1.8 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic383 (2019)
Projected traffic356 by 2033
Trucks5%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$10,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Blair RD over Hog Branch Tributary built?

It was built in 1990, making it 35 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 383 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Blair RD over Hog Branch Tributary?

The structure is 23 ft (7 m) long with a longest span of 6 ft (1.8 m) and a deck 30 ft wide.

Who owns Blair RD over Hog Branch Tributary?

It is owned by the County Highway Agency.