US Bridges

FM 84 over UP RR

Fair

Grayson County, Texas · 1.4 MI E of US 75 · Structure no. 010920031602009

Built
1959
66 years old, rebuilt 1992
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
200 ft
2 main spans
Daily traffic
4,056
2023 count
Owner
State
State Highway Agency

About this bridge

FM 84 over UP RR is a prestressed concrete stringer/multi-beam or girder carrying FM 84 over UP RR in Grayson County, Texas. It was built in 1959 and reconstructed in 1992, so it is 66 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 5 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 4,056 vehicles a day, roughly 15% of them trucks, projected to reach 5,470 by 2033. The structure is 200 ft (61 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFM 84
CrossesUP RR
Location1.4 MI E of US 75
RouteState Highway 84
CountyGrayson County
StateTexas
Coordinates33.77539, -96.56029
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadUnknown
Structure length200 ft (61 m)
Longest span57 ft (17.4 m)
Deck width46 ft (14 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,056 (2023)
Projected traffic5,470 by 2033
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$884,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was FM 84 over UP RR built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1992.

What condition is FM 84 over UP RR 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 April 2023.

How much traffic does FM 84 over UP RR carry?

About 4,056 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is FM 84 over UP RR?

The structure is 200 ft (61 m) long with a longest span of 57 ft (17.4 m) and a deck 46 ft wide.

Who owns FM 84 over UP RR?

It is owned by the State Highway Agency.