US Bridges

FM 93 over Knob Creek

Good

Bell County, Texas · 0.45 MI E of SH 95 · Structure no. 090140329201002

Built
1975
50 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
59 ft
6 main spans
Daily traffic
4,076
2023 count
Owner
State
State Highway Agency

About this bridge

FM 93 over Knob Creek is a concrete culvert carrying FM 93 over Knob Creek in Bell County, Texas. It was built in 1975, so it is 50 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 4,076 vehicles a day, roughly 22% of them trucks, projected to reach 3,770 by 2033. The structure is 59 ft (18 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFM 93
CrossesKnob Creek
Location0.45 MI E of SH 95
RouteState Highway 93
CountyBell County
StateTexas
Coordinates31.02779, -97.32551
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length59 ft (18 m)
Longest span9 ft (2.7 m)
Deck width43 ft (13.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,076 (2023)
Projected traffic3,770 by 2033
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$392,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 93 over Knob Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is FM 93 over Knob 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 April 2023.

How much traffic does FM 93 over Knob Creek carry?

About 4,076 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is FM 93 over Knob Creek?

The structure is 59 ft (18 m) long with a longest span of 9 ft (2.7 m) and a deck 43 ft wide.

Who owns FM 93 over Knob Creek?

It is owned by the State Highway Agency.