US Bridges

FM 980 over Harmon Creek

Good

Walker County, Texas · 4.25 MI E of FM 3478 · Structure no. 172360075602009

Built
1973
52 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
230 ft
3 main spans
Daily traffic
1,811
2020 count
Owner
State
State Highway Agency

About this bridge

FM 980 over Harmon Creek is a prestressed concrete stringer/multi-beam or girder carrying FM 980 over Harmon Creek in Walker County, Texas. It was built in 1973, so it is 52 years old, older 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 1,811 vehicles a day, roughly 9% of them trucks, projected to reach 2,420 by 2039. The structure is 230 ft (70.1 m) long and 36 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesFM 980
CrossesHarmon Creek
Location4.25 MI E of FM 3478
RouteState Highway 980
StateTexas
Coordinates30.86078, -95.43354
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating75 US tons
Inventory rating37 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length230 ft (70.1 m)
Longest span80 ft (24.4 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,811 (2020)
Projected traffic2,420 by 2039
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 980 over Harmon Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is FM 980 over Harmon 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 July 2023.

How much traffic does FM 980 over Harmon Creek carry?

About 1,811 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is FM 980 over Harmon Creek?

The structure is 230 ft (70.1 m) long with a longest span of 80 ft (24.4 m) and a deck 36 ft wide.

Who owns FM 980 over Harmon Creek?

It is owned by the State Highway Agency.