US Bridges

SH 66 over Black Branch

Good

Hunt County, Texas · 10.4 MI NE Rockwall CO LN · Structure no. 011170000906434

Built
2000
25 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
177 ft
3 main spans
Daily traffic
3,464
2020 count
Owner
State
State Highway Agency

About this bridge

SH 66 over Black Branch is a prestressed concrete stringer/multi-beam or girder carrying SH 66 over Black Branch in Hunt County, Texas. It was built in 2000, so it is 25 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 3,464 vehicles a day, roughly 14% of them trucks, projected to reach 5,760 by 2030. The structure is 177 ft (54 m) long and 45 ft wide.

Location

Open in Google Maps
CarriesSH 66
CrossesBlack Branch
Location10.4 MI NE Rockwall CO LN
RouteState Highway 66
CountyHunt County
StateTexas
Coordinates33.10799, -96.16617
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length177 ft (54 m)
Longest span59 ft (18 m)
Deck width45 ft (13.8 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,464 (2020)
Projected traffic5,760 by 2030
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SH 66 over Black Branch built?

It was built in 2000, making it 25 years old in 2025.

What condition is SH 66 over Black Branch 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 2023.

How much traffic does SH 66 over Black Branch carry?

About 3,464 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is SH 66 over Black Branch?

The structure is 177 ft (54 m) long with a longest span of 59 ft (18 m) and a deck 45 ft wide.

Who owns SH 66 over Black Branch?

It is owned by the State Highway Agency.