US Bridges

FM 1870 over IH 30

Fair

Hopkins County, Texas · 2.10 MI E of SH 11 · Structure no. 011130001002114

Built
1960
65 years old, rebuilt 1987
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
320 ft
4 main spans
Daily traffic
4,470
2013 count
Owner
State
State Highway Agency

About this bridge

FM 1870 over IH 30 is a prestressed concrete stringer/multi-beam or girder carrying FM 1870 over IH 30 in Hopkins County, Texas. It was built in 1960 and reconstructed in 1987, so it is 65 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 4,470 vehicles a day, roughly 2% of them trucks, projected to reach 6,260 by 2033. The structure is 320 ft (97.5 m) long and 32 ft wide.

CarriesFM 1870
CrossesIH 30
Location2.10 MI E of SH 11
RouteState Highway 1870
StateTexas
Coordinates33.13721, -95.57243
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4 (+2 approach)
Design loadUnknown
Structure length320 ft (97.5 m)
Longest span65 ft (19.8 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,470 (2013)
Projected traffic6,260 by 2033
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 FM 1870 over IH 30 built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1987.

What condition is FM 1870 over IH 30 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 January 2023.

How much traffic does FM 1870 over IH 30 carry?

About 4,470 vehicles per day (2013 count), of which roughly 2% are trucks.

How long is FM 1870 over IH 30?

The structure is 320 ft (97.5 m) long with a longest span of 65 ft (19.8 m) and a deck 32 ft wide.

Who owns FM 1870 over IH 30?

It is owned by the State Highway Agency.