US Bridges

RM 1321 over North Fork of Red River

Good

Gray County, Texas · 2.8 MI N of FM 2473 · Structure no. 040910186102013

Built
2004
21 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
2,130 ft
28 main spans
Daily traffic
158
2023 count
Owner
State
State Highway Agency

About this bridge

RM 1321 over North Fork of Red River is a prestressed concrete stringer/multi-beam or girder carrying RM 1321 over North Fork of Red River in Gray County, Texas. It was built in 2004, so it is 21 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 158 vehicles a day, roughly 17% of them trucks, projected to reach 200 by 2033. The structure is 2,130 ft (649.2 m) long and 34 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesRM 1321
CrossesNorth Fork of Red River
Location2.8 MI N of FM 2473
RouteState Highway 1321
StateTexas
Coordinates35.4054, -100.61216
Functional classRural Major Collector

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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to 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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans28
Design loadHS 20
Structure length2,130 ft (649.2 m)
Longest span80 ft (24.4 m)
Deck width34 ft (10.4 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic158 (2023)
Projected traffic200 by 2033
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
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 RM 1321 over North Fork of Red River built?

It was built in 2004, making it 21 years old in 2025.

What condition is RM 1321 over North Fork of Red River 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 2024.

How much traffic does RM 1321 over North Fork of Red River carry?

About 158 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is RM 1321 over North Fork of Red River?

The structure is 2,130 ft (649.2 m) long with a longest span of 80 ft (24.4 m) and a deck 34 ft wide.

Who owns RM 1321 over North Fork of Red River?

It is owned by the State Highway Agency.