US Bridges

FM 1870 over Rock Creek

Good

Hopkins County, Texas · 1.50 MI SW of IH 30 · Structure no. 011130073505027

Built
2000
25 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
148 ft
3 main spans
Daily traffic
3,057
2023 count
Owner
State
State Highway Agency

About this bridge

FM 1870 over Rock Creek is a prestressed concrete stringer/multi-beam or girder carrying FM 1870 over Rock Creek in Hopkins County, Texas. It was built in 2000, so it is 25 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 3,057 vehicles a day, roughly 2% of them trucks, projected to reach 6,260 by 2033. The structure is 148 ft (45.1 m) long and 45 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFM 1870
CrossesRock Creek
Location1.50 MI SW of IH 30
RouteState Highway 1870
CountyHopkins County
StateTexas
Coordinates33.12923, -95.54776
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation8: Equal to present desirable 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

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length148 ft (45.1 m)
Longest span49 ft (14.9 m)
Deck width45 ft (13.8 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,057 (2023)
Projected traffic6,260 by 2033
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 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 1870 over Rock Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is FM 1870 over Rock Creek 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 February 2023.

How much traffic does FM 1870 over Rock Creek carry?

About 3,057 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is FM 1870 over Rock Creek?

The structure is 148 ft (45.1 m) long with a longest span of 49 ft (14.9 m) and a deck 45 ft wide.

Who owns FM 1870 over Rock Creek?

It is owned by the State Highway Agency.