US Bridges

SH 121 over Union Pacific Railroad

Fair

Fannin County, Texas · 0.3 MI SW of US 69 · Structure no. 010750054902018

Built
1962
63 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
200 ft
5 main spans
Daily traffic
11,638
2020 count
Owner
State
State Highway Agency

About this bridge

SH 121 over Union Pacific Railroad is a concrete stringer/multi-beam or girder carrying SH 121 over Union Pacific Railroad in Fannin County, Texas. It was built in 1962, so it is 63 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 11,638 vehicles a day, roughly 12% of them trucks, projected to reach 12,510 by 2040. The structure is 200 ft (61 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSH 121
CrossesUnion Pacific Railroad
Location0.3 MI SW of US 69
RouteState Highway 121
CountyFannin County
StateTexas
Coordinates33.43454, -96.34481
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length200 ft (61 m)
Longest span40 ft (12.2 m)
Deck width46 ft (13.9 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,638 (2020)
Projected traffic12,510 by 2040
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 121 over Union Pacific Railroad built?

It was built in 1962, making it 63 years old in 2025.

What condition is SH 121 over Union Pacific Railroad in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.

How much traffic does SH 121 over Union Pacific Railroad carry?

About 11,638 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is SH 121 over Union Pacific Railroad?

The structure is 200 ft (61 m) long with a longest span of 40 ft (12.2 m) and a deck 46 ft wide.

Who owns SH 121 over Union Pacific Railroad?

It is owned by the State Highway Agency.