US Bridges

CR 177 over Sulphur Creek

Fair

Grimes County, Texas · 2.9 MI W of SH 90 · Structure no. 170940AA0276001

Built
1996
29 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
28 ft
2 main spans
Daily traffic
30
2010 count
Owner
County
County Highway Agency

About this bridge

CR 177 over Sulphur Creek is a steel continuous stringer/multi-beam or girder carrying CR 177 over Sulphur Creek in Grimes County, Texas. It was built in 1996, so it is 29 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.

It carries about 30 vehicles a day, projected to reach 40 by 2028. The structure is 28 ft (8.5 m) long and 16 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesCR 177
CrossesSulphur Creek
Location2.9 MI W of SH 90
RouteCounty Highway 177
StateTexas
Coordinates30.62624, -95.98109
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
Deck7 GoodSome minor problems.
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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating59 US tons
Inventory rating34.9 US tons

Structure

MaterialSteel Continuous
DeckWood or timber
Main spans2
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span17 ft (5.2 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2010)
Projected traffic40 by 2028
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 177 over Sulphur Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is CR 177 over Sulphur 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 December 2023.

How much traffic does CR 177 over Sulphur Creek carry?

About 30 vehicles per day (2010 count).

How long is CR 177 over Sulphur Creek?

The structure is 28 ft (8.5 m) long with a longest span of 17 ft (5.2 m) and a deck 16 ft wide.

Who owns CR 177 over Sulphur Creek?

It is owned by the County Highway Agency.