US Bridges

CR 646 over Steel Creek Tributary

Good

Limestone County, Texas · 0.65 MI SE of FM 147 · Structure no. 091470AA0646001

Built
2024
1 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
55
2016 count
Owner
County
County Highway Agency

About this bridge

CR 646 over Steel Creek Tributary is a steel stringer/multi-beam or girder carrying CR 646 over Steel Creek Tributary in Limestone County, Texas. It was built in 2024, so it is 1 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 55 vehicles a day, roughly 1% of them trucks, projected to reach 1 by 1900. The structure is 26 ft (7.9 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCR 646
CrossesSteel Creek Tributary
Location0.65 MI SE of FM 147
RouteCounty Highway 646
StateTexas
Coordinates31.43454, -96.63842
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation7: Better than 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 rating75 US tons
Inventory rating45 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span26 ft (7.9 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55 (2016)
Projected traffic1 by 1900
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was CR 646 over Steel Creek Tributary built?

It was built in 2024, making it 1 years old in 2025.

What condition is CR 646 over Steel 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 March 2024.

How much traffic does CR 646 over Steel Creek Tributary carry?

About 55 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is CR 646 over Steel Creek Tributary?

The structure is 26 ft (7.9 m) long with a longest span of 26 ft (7.9 m) and a deck 24 ft wide.

Who owns CR 646 over Steel Creek Tributary?

It is owned by the County Highway Agency.