US Bridges

Knob Hill Road over Knob Creek Trib

FairPosted for load

Bell County, Texas · 0.30 MI W of FM 2184 · Structure no. 090140AA0335001

Built
1987
38 years old
Condition
Fair
inspected November 2023
Type
Other
Steel
Length
54 ft
1 main span
Daily traffic
277
2015 count
Owner
County
County Highway Agency

About this bridge

Knob Hill Road over Knob Creek Trib is a steel other carrying Knob Hill Road over Knob Creek Trib in Bell County, Texas. It was built in 1987, so it is 38 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 277 vehicles a day, projected to reach 350 by 2026. The structure is 54 ft (16.5 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesKnob Hill Road
CrossesKnob Creek Trib
Location0.30 MI W of FM 2184
RouteCounty Highway 0
CountyBell County
StateTexas
Coordinates30.92587, -97.27752
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating27 US tons

Structure

Structure typeOther
MaterialSteel
DeckSteel plate
Main spans1
Design loadUnknown
Structure length54 ft (16.5 m)
Longest span51 ft (15.5 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic277 (2015)
Projected traffic350 by 2026
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$313,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Knob Hill Road over Knob Creek Trib built?

It was built in 1987, making it 38 years old in 2025.

What condition is Knob Hill Road over Knob Creek Trib in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.

How much traffic does Knob Hill Road over Knob Creek Trib carry?

About 277 vehicles per day (2015 count).

How long is Knob Hill Road over Knob Creek Trib?

The structure is 54 ft (16.5 m) long with a longest span of 51 ft (15.5 m) and a deck 30 ft wide.

Who owns Knob Hill Road over Knob Creek Trib?

It is owned by the County Highway Agency.