US Bridges

SH 174 NB over Shannon Creek Tributary

Good

Johnson County, Texas · 0.2 MI NE of FM 731 · Structure no. 021270001901037

Built
1971
54 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete Continuous
Length
88 ft
3 main spans
Daily traffic
21,521
2024 count
Owner
State
State Highway Agency

About this bridge

SH 174 NB over Shannon Creek Tributary is a concrete continuous slab carrying SH 174 NB over Shannon Creek Tributary in Johnson County, Texas. It was built in 1971, so it is 54 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 21,521 vehicles a day, roughly 3% of them trucks, projected to reach 19,150 by 2033. The structure is 88 ft (26.8 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 174 NB
CrossesShannon Creek Tributary
Location0.2 MI NE of FM 731
RouteState Highway 174
StateTexas
Coordinates32.52293, -97.34597
Functional classUrban Other Principal Arterial

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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length88 ft (26.8 m)
Longest span33 ft (10.1 m)
Deck width44 ft (13.4 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,521 (2024)
Projected traffic19,150 by 2033
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 174 NB over Shannon Creek Tributary built?

It was built in 1971, making it 54 years old in 2025.

What condition is SH 174 NB over Shannon Creek Tributary 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 October 2024.

How much traffic does SH 174 NB over Shannon Creek Tributary carry?

About 21,521 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is SH 174 NB over Shannon Creek Tributary?

The structure is 88 ft (26.8 m) long with a longest span of 33 ft (10.1 m) and a deck 44 ft wide.

Who owns SH 174 NB over Shannon Creek Tributary?

It is owned by the State Highway Agency.