US Bridges

FM 1478 over Bluff Creek

Good

Lampasas County, Texas · 0.20 MI NE of Burnet C/L · Structure no. 231410103203012

Built
1959
66 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
83 ft
2 main spans
Daily traffic
734
2023 count
Owner
State
State Highway Agency

About this bridge

FM 1478 over Bluff Creek is a concrete stringer/multi-beam or girder carrying FM 1478 over Bluff Creek in Lampasas County, Texas. It was built in 1959, 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 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 734 vehicles a day, roughly 6% of them trucks, projected to reach 1,134 by 2038. The structure is 83 ft (25.3 m) long and 25 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesFM 1478
CrossesBluff Creek
Location0.20 MI NE of Burnet C/L
RouteState Highway 1478
StateTexas
Coordinates31.03274, -98.22248
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating34.9 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length83 ft (25.3 m)
Longest span42 ft (12.8 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic734 (2023)
Projected traffic1,134 by 2038
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$5,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 1478 over Bluff Creek built?

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

What condition is FM 1478 over Bluff 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 January 2024.

How much traffic does FM 1478 over Bluff Creek carry?

About 734 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is FM 1478 over Bluff Creek?

The structure is 83 ft (25.3 m) long with a longest span of 42 ft (12.8 m) and a deck 25 ft wide.

Who owns FM 1478 over Bluff Creek?

It is owned by the State Highway Agency.