US Bridges

FM 423 NB over Cottonwood Branch

Good

Denton County, Texas · 6.85 MI N of SH 121 · Structure no. 180610156702012

Built
2012
13 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
3 main spans
Daily traffic
22,300
2020 count
Owner
State
State Highway Agency

About this bridge

FM 423 NB over Cottonwood Branch is a prestressed concrete stringer/multi-beam or girder carrying FM 423 NB over Cottonwood Branch in Denton County, Texas. It was built in 2012, so it is 13 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 22,300 vehicles a day, roughly 8% of them trucks, projected to reach 8,000 by 2033. The structure is 240 ft (73.2 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFM 423 NB
CrossesCottonwood Branch
Location6.85 MI N of SH 121
RouteState Highway 423
CountyDenton County
StateTexas
Coordinates33.16474, -96.89064
Functional classUrban Other Principal Arterial

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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
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, precast panels
Main spans3
Design loadHL 93
Structure length240 ft (73.2 m)
Longest span80 ft (24.4 m)
Deck width50 ft (15.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,300 (2020)
Projected traffic8,000 by 2033
Trucks8%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 FM 423 NB over Cottonwood Branch built?

It was built in 2012, making it 13 years old in 2025.

What condition is FM 423 NB over Cottonwood 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 November 2023.

How much traffic does FM 423 NB over Cottonwood Branch carry?

About 22,300 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is FM 423 NB over Cottonwood Branch?

The structure is 240 ft (73.2 m) long with a longest span of 80 ft (24.4 m) and a deck 50 ft wide.

Who owns FM 423 NB over Cottonwood Branch?

It is owned by the State Highway Agency.