US Bridges

CR 3480 over Big Creek

FairPosted for load

Houston County, Texas · 0.2 MI SE of End FM 3275 · Structure no. 111140AA0351001

Built
2002
23 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
99 ft
4 main spans
Daily traffic
80
2023 count
Owner
County
County Highway Agency

About this bridge

CR 3480 over Big Creek is a steel continuous stringer/multi-beam or girder carrying CR 3480 over Big Creek in Houston County, Texas. It was built in 2002, so it is 23 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 80 vehicles a day, projected to reach 60 by 2035. The structure is 99 ft (30.2 m) long and 15 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

Location

Open in Google Maps
CarriesCR 3480
CrossesBig Creek
Location0.2 MI SE of End FM 3275
RouteCounty Highway 3480
CountyHouston County
StateTexas
Coordinates31.1178, -95.65036
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
Deck8 Very GoodNo problems noted.
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 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31 US tons
Inventory rating18 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length99 ft (30.2 m)
Longest span30 ft (9.1 m)
Deck width15 ft (4.5 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2023)
Projected traffic60 by 2035
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 3480 over Big Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is CR 3480 over Big 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 November 2024.

How much traffic does CR 3480 over Big Creek carry?

About 80 vehicles per day (2023 count).

How long is CR 3480 over Big Creek?

The structure is 99 ft (30.2 m) long with a longest span of 30 ft (9.1 m) and a deck 15 ft wide.

Who owns CR 3480 over Big Creek?

It is owned by the County Highway Agency.