US Bridges

CR 4870 over S Sulphur River

Fair

Fannin County, Texas · 0.2 MI N of FM 272 · Structure no. 010750AA0652001

Built
2007
18 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
20
2010 count
Owner
County
County Highway Agency

About this bridge

CR 4870 over S Sulphur River is a prestressed concrete stringer/multi-beam or girder carrying CR 4870 over S Sulphur River in Fannin County, Texas. It was built in 2007, so it is 18 years old, younger 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 20 vehicles a day, projected to reach 40 by 2027. The structure is 55 ft (16.8 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR 4870
CrossesS Sulphur River
Location0.2 MI N of FM 272
RouteCounty Highway 4870
StateTexas
Coordinates33.37799, -96.21361
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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, precast panels
Main spans1
Design loadHL 93
Structure length55 ft (16.8 m)
Longest span55 ft (16.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2010)
Projected traffic40 by 2027
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 CR 4870 over S Sulphur River built?

It was built in 2007, making it 18 years old in 2025.

What condition is CR 4870 over S Sulphur River 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 2024.

How much traffic does CR 4870 over S Sulphur River carry?

About 20 vehicles per day (2010 count).

How long is CR 4870 over S Sulphur River?

The structure is 55 ft (16.8 m) long with a longest span of 55 ft (16.8 m) and a deck 26 ft wide.

Who owns CR 4870 over S Sulphur River?

It is owned by the County Highway Agency.