US Bridges

Harmonson Road over Catherine Branch

Good

Denton County, Texas · 1.4 MI N of I-35W · Structure no. 180610LR6353001

Built
2023
2 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
150 ft
2 main spans
Daily traffic
3,458
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Harmonson Road over Catherine Branch is a prestressed concrete stringer/multi-beam or girder carrying Harmonson Road over Catherine Branch in Denton County, Texas. It was built in 2023, so it is 2 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,458 vehicles a day, roughly 5% of them trucks, projected to reach 1 by 1900. The structure is 150 ft (45.7 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesHarmonson Road
CrossesCatherine Branch
Location1.4 MI N of I-35W
RouteCity Street 0
CountyDenton County
StateTexas
Coordinates33.04812, -97.27152
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal 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 spans2
Design loadHL 93
Structure length150 ft (45.7 m)
Longest span75 ft (22.9 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,458 (2021)
Projected traffic1 by 1900
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Harmonson Road over Catherine Branch built?

It was built in 2023, making it 2 years old in 2025.

What condition is Harmonson Road over Catherine 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 April 2023.

How much traffic does Harmonson Road over Catherine Branch carry?

About 3,458 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Harmonson Road over Catherine Branch?

The structure is 150 ft (45.7 m) long with a longest span of 75 ft (22.9 m) and a deck 36 ft wide.

Who owns Harmonson Road over Catherine Branch?

It is owned by the Town or Township Highway Agency.