US Bridges

CR 685 over South Rocky Creek

Fair

Burnet County, Texas · 0.05 MI SE of US 183 · Structure no. 140270AA0685002

Built
1934
91 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
88 ft
4 main spans
Daily traffic
9,259
2022 count
Owner
Private
Private (other than railroad)

About this bridge

CR 685 over South Rocky Creek is a concrete slab carrying CR 685 over South Rocky Creek in Burnet County, Texas. It was built in 1934, so it is 91 years old, older 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 9,259 vehicles a day, roughly 14% of them trucks, projected to reach 11,852 by 2042. The structure is 88 ft (26.8 m) long and 21 ft wide.

Location

Open in Google Maps
CarriesCR 685
CrossesSouth Rocky Creek
Location0.05 MI SE of US 183
RouteCounty Highway 685
CountyBurnet County
StateTexas
Coordinates30.92689, -97.99439
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionFebruary 2024
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length88 ft (26.8 m)
Longest span22 ft (6.7 m)
Deck width21 ft (6.4 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,259 (2022)
Projected traffic11,852 by 2042
Trucks14%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerPrivate (other than railroad)
Maintained byPrivate (other than railroad)
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$289,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 685 over South Rocky Creek built?

It was built in 1934, making it 91 years old in 2025.

What condition is CR 685 over South Rocky 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 February 2024.

How much traffic does CR 685 over South Rocky Creek carry?

About 9,259 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is CR 685 over South Rocky Creek?

The structure is 88 ft (26.8 m) long with a longest span of 22 ft (6.7 m) and a deck 21 ft wide.

Who owns CR 685 over South Rocky Creek?

It is owned by the Private (other than railroad).