US Bridges

FM 1454 over Mammoth Creek

Poor

Lipscomb County, Texas · 5.7 MI S of SH 15 · Structure no. 041480133902004

Built
1960
65 years old
Condition
Poor
inspected November 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
240 ft
6 main spans
Daily traffic
632
2020 count
Owner
State
State Highway Agency

About this bridge

FM 1454 over Mammoth Creek is a concrete stringer/multi-beam or girder carrying FM 1454 over Mammoth Creek in Lipscomb County, Texas. It was built in 1960, 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 632 vehicles a day, roughly 10% of them trucks, projected to reach 700 by 2033. The structure is 240 ft (73.2 m) long and 25 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesFM 1454
CrossesMammoth Creek
Location5.7 MI S of SH 15
RouteState Highway 1454
CountyLipscomb County
StateTexas
Coordinates36.35446, -100.13133
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadOther
Structure length240 ft (73.2 m)
Longest span40 ft (12.2 m)
Deck width25 ft (7.7 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic632 (2020)
Projected traffic700 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 1454 over Mammoth Creek built?

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

What condition is FM 1454 over Mammoth Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2023.

How much traffic does FM 1454 over Mammoth Creek carry?

About 632 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is FM 1454 over Mammoth Creek?

The structure is 240 ft (73.2 m) long with a longest span of 40 ft (12.2 m) and a deck 25 ft wide.

Who owns FM 1454 over Mammoth Creek?

It is owned by the State Highway Agency.