US Bridges

FM 436 over Knob Creek

Good

Bell County, Texas · 1.90 MI S of US 190 · Structure no. 090140023116134

Built
1994
31 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
171 ft
5 main spans
Daily traffic
434
2020 count
Owner
State
State Highway Agency

About this bridge

FM 436 over Knob Creek is a concrete stringer/multi-beam or girder carrying FM 436 over Knob Creek in Bell County, Texas. It was built in 1994, so it is 31 years old, younger 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 434 vehicles a day, roughly 21% of them trucks, projected to reach 490 by 2035. The structure is 171 ft (52.1 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFM 436
CrossesKnob Creek
Location1.90 MI S of US 190
RouteState Highway 436
CountyBell County
StateTexas
Coordinates30.99383, -97.31402
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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length171 ft (52.1 m)
Longest span34 ft (10.4 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic434 (2020)
Projected traffic490 by 2035
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 436 over Knob Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is FM 436 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 February 2023.

How much traffic does FM 436 over Knob Creek carry?

About 434 vehicles per day (2020 count), of which roughly 21% are trucks.

How long is FM 436 over Knob Creek?

The structure is 171 ft (52.1 m) long with a longest span of 34 ft (10.4 m) and a deck 32 ft wide.

Who owns FM 436 over Knob Creek?

It is owned by the State Highway Agency.