US Bridges

CR 278 (bagdad Rd) over Block House Creek

Fair

Williamson County, Texas · 0.9 MI W of US 183 · Structure no. 142460G00280001

Built
1990
35 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
70 ft
6 main spans
Daily traffic
12,890
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

CR 278 (bagdad Rd) over Block House Creek is a concrete culvert carrying CR 278 (bagdad Rd) over Block House Creek in Williamson County, Texas. It was built in 1990, so it is 35 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 12,890 vehicles a day, roughly 2% of them trucks, projected to reach 20,625 by 2030. The structure is 70 ft (21.3 m) long and 75 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR 278 (bagdad Rd)
CrossesBlock House Creek
Location0.9 MI W of US 183
RouteCity Street 0
StateTexas
Coordinates30.53345, -97.84647
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadUnknown
Structure length70 ft (21.3 m)
Longest span10 ft (3 m)
Deck width75 ft (22.9 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,890 (2010)
Projected traffic20,625 by 2030
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 278 (bagdad Rd) over Block House Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is CR 278 (bagdad Rd) over Block House 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 September 2023.

How much traffic does CR 278 (bagdad Rd) over Block House Creek carry?

About 12,890 vehicles per day (2010 count), of which roughly 2% are trucks.

How long is CR 278 (bagdad Rd) over Block House Creek?

The structure is 70 ft (21.3 m) long with a longest span of 10 ft (3 m) and a deck 75 ft wide.

Who owns CR 278 (bagdad Rd) over Block House Creek?

It is owned by the City or Municipal Highway Agency.