US Bridges

SH 121 SB FR over Big Bear Creek

Fair

Tarrant County, Texas · .6 MI N of Johnson RD · Structure no. 022200036401079

Built
1957
68 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
127 ft
4 main spans
Daily traffic
9,189
2020 count
Owner
State
State Highway Agency

About this bridge

SH 121 SB FR over Big Bear Creek is a concrete continuous slab carrying SH 121 SB FR over Big Bear Creek in Tarrant County, Texas. It was built in 1957, so it is 68 years old, older 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.

It carries about 9,189 vehicles a day, roughly 2% of them trucks, projected to reach 19,139 by 2038. The structure is 127 ft (38.7 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSH 121 SB FR
CrossesBig Bear Creek
Location.6 MI N of Johnson RD
RouteState Highway 121
CountyTarrant County
StateTexas
Coordinates32.90201, -97.09972
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating48 US tons
Inventory rating29 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length127 ft (38.7 m)
Longest span35 ft (10.7 m)
Deck width46 ft (14 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,189 (2020)
Projected traffic19,139 by 2038
Trucks2%
Lanes on structure2
Traffic directionOne-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 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 SH 121 SB FR over Big Bear Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is SH 121 SB FR over Big Bear Creek 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 May 2024.

How much traffic does SH 121 SB FR over Big Bear Creek carry?

About 9,189 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is SH 121 SB FR over Big Bear Creek?

The structure is 127 ft (38.7 m) long with a longest span of 35 ft (10.7 m) and a deck 46 ft wide.

Who owns SH 121 SB FR over Big Bear Creek?

It is owned by the State Highway Agency.